HomeMy WebLinkAbout01-05-2016 Item 12 - Traffic Safety Report
Meeting Date: 1/5/2016
FROM: Daryl Grigsby, Public Works Director
Prepared By: Jake Hudson, Transportation Manager
Bryan Wheeler, Transportation Planner-Engineer
SUBJECT: 2014 TRAFFIC SAFETY REPORT
RECOMMENDATION
Receive and file the 2014 Traffic Safety Report.
DISCUSSION
Background
The Annual Traffic Safety Program (“Program”) began in 2001 to identify high collision
locations within the City. In addition, the Program actively pursues mitigation measures that may
reduce collision rates and improve safety for the citizens of San Luis Obispo. Now in its 15th
year, the program has produced lasting and continuing outcomes. Despite increases in traffic
volumes, based on the City’s bi-annual traffic count program, injury collisions in 2014 were
down approximately 3% from the previous year and 35% since the Program began. Total
collisions in 2014 were down approximately 4% from the previous year and by over 50% since
the program began. Pedestrian and bicycle collisions were also down in 2014 as compared to the
previous year, 38% for pedestrians and 22% for bicycles.
2014 Traffic Safety Report Overview
The Traffic Safety Report (TSR) reviews all intersections and street segments in the City for
collision rates and patterns for calendar year 2014. Based on these patterns, recommendations are
made for altering or monitoring the highest collision locations of each intersection and street
segment classification. The collision data and corresponding analysis was compiled and
completed by the Public Works and Police Departments in November of 2015. It typically takes
six months or more after the end of the year for all collision reports from that year to be received
and analyzed. This is due to late collision reports filed by private parties and extended
investigation periods before collision reports are finalized.
The TSR identifies patterns at the highest collision rate for locations of similar classification for
Automobiles, Bicycles, and Pedestrians. These locations are narrowed down and the top five
locations are analyzed to identify possible mitigation strategies to address safety issues. For
example, all arterial segments are compared to each other to establish the highest rate locations
and thereby establish the priority order for mitigation or safety improvements. In order to
determine if corrective measures could reduce the likelihood of a collision type identified in the
pattern, a comprehensive review of each location is conducted. This review includes a survey of
the field conditions and travel behavior.
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In 2014, there were eight high ranking locations with safety projects already underway or
recently completed as a result of being prioritized in prior safety reports and capital programs.
These locations are listed in Table 1 below.
Table 1: High Ranking Locations with Project Underway or Completed
Location Project Status
Santa Rosa & Walnut Green Bike Lanes Complete
Monterey & Santa Rosa Upgrade Pedestrain Warning Signs Complete
Broad & Higuera Upgrade Pedestrain Warning Signs Complete
Broad & Orcutt Right Turn Lane Reconfiguration & Green Bike Lanes Complete
101 SB Ramps & California Right Turn Lane Reconfiguration & Green Bike Lanes Complete
Monterey & Osos Reconstruct Traffic Signal In Design
Calle Joaquin & LOVR LOVR Interchange Construction
Chorro & Peach Bike Lane Reconfiguration Complete
In addition, there were seven new high ranking locations in 2014 new recommended safety
projects. These locations are listed in Table 2 below which can be funded under the current
traffic safety allocation.
Table 2: High Ranking Locations with New Projects
Location Project
Grand & Monterey
Convert from protected / permissive left turn phase to protected left turn
phase
Marsh & Santa Rosa Convert from permissive left turn phase to protected left turn phase
Broad & Foothill Upgrade Traffic Signal Indications
Mill & Santa Rosa Upgrade Traffic Signal Indications
California & Mill Upgrade Traffic Signal Indiciations
Monterey & Santa Rosa Investigate Flashing Yellow Arrow & Adv. Ped. Phasing
Foothill 1000-1200 Blocks Education Campain With Property Management Co.
Higuera 500-700 Blocks Reconfigure parking stalls to comply to contemporary City Standards
Unfunded Safety Projects
In 2014, there were two high collision rate locations with identified mitigation that has is not
funded at this time, California & Taft and the S. Broad Street Corridor (South St. to Orcutt).
Staff will continue to work with adjacent property owners, developing funding programs, and
conducting public outreach for both of these projects.
1. California and Taft
The intersection of California and Taft continues to be identified as a high collision rate location
due to conflicts with vehicles turning left from Taft and vehicles on California. In addition,
California and Taft’s poor operations (LOS F) are due to long delays for vehicl es turning from
Taft and the difficultly for cyclists heading towards Cal Poly to turn left and access the Railroad
Safety Trail. This intersection has been identified as an impacted intersection in the Cal Poly EIR
and the General Plan Update EIR with roundabout control as the identified mitigation. The
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project is currently estimated at approximately $800,000 with Cal Poly’s fair share established at
$98,000 as specified in the certified Environmental Impact Report for the Housing South Project.
Staff will continue to pursue grant funding, local capital funding, and assess incorporation of the
project into the transportation impact fee program.
2. Broad Street Corridor (South to Orcutt)
The segment of Broad Street from South to Orcutt has been identified as a high collision rate
location with a pattern of rear end collisions and collisions with vehicles entering and exiting
driveways. Also, the segment operates below minimum level of service standards with high
vehicle volumes at peak hours. This segment has been identified for improvements in the Land
Use and Circulation Element Update, and mitigation measures are identified in the updated EIR.
The proposed projects include installation of medians, consolidation of access points, as well as
congestion relief improvements along the corridor. The cost for these improvements is estimated
at approximately $3-$5 million. Staff will continue to pursue grant funding, updates to impact
fee programs, and local capital funding.
CONCURRENCES
The Police Department has reviewed the 2014 Traffic Safety Report and concurs with its
findings.
FISCAL IMPACT
Safety projects identified in the report in Table 1 are completed or currently have adequate
funding allocated. Safety projects identified in Table 2 will be funded thru the City’s traffic
safety program which currently has a balance of $41,000. The total cost of these projects is
estimated at approximately $40,000 leaving a balance of $1,000 in the traffic safety program
fund. This remaining balance will be used to fund other minor projects as they are identified thru
2016.
ALTERNATIVE
The Council may choose not to receive and file the 2014 Traffic Safety Report. Staff does not
recommend this as these locations are currently experiencing high collision rates with injuries
and property damages, if measures are not taken these collision patterns may continue.
Attachments:
a a - 2014 Annual Traffic Safety Report
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Public Works and Police Department
January 2016
2014 Annual Traffic Safety Report
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1 2014 Traffic Safety Report
December 2015
Table of Contents
EXECUTIVE SUMMARY .......................................................................................... 2
CITYWIDE COLLISION TRENDS ........................................................................... 3
INJURY COLLISION TREND .................................................................................................................. 3
FATAL COLLISION TREND ................................................................................................................... 3
OVERALL COLLISION TREND ............................................................................................................... 4
PEDESTRIAN COLLISION TREND ........................................................................................................... 5
BICYCLE COLLISION TREND ................................................................................................................. 5
TRAFFIC ENFORCEMENT MEASURES ............................................................................ 6
CITATION TRENDS ............................................................................................................................ 6
DUI ARRESTS .................................................................................................................................. 6
CITATIONS BY VEHICLE CODE SECTION 2014 ........................................................................................ 7
TRAFFIC SAFETY EDUCATION CAMPAIGNS ................................................................... 8
2014 HIGH COLLISION RATE LOCATIONS & RECOMMENDATIONS ................................ 9
PEDESTRIANS .................................................................................................................................. 9
PEDESTRIAN LOCATION RECOMMENDATIONS ..................................................................................... 10
BICYCLES ...................................................................................................................................... 11
BICYCLE LOCATION RECOMMENDATIONS ........................................................................................... 12
ARTERIAL/ARTERIAL INTERSECTIONS ................................................................................................. 13
ARTERIAL/ARTERIAL INTERSECTIONS RECOMMENDATIONS .................................................................... 14
ARTERIAL/COLLECTOR INTERSECTIONS ............................................................................................... 15
ARTERIAL/COLLECTOR INTERSECTIONS RECOMMENDATIONS ................................................................. 15
ARTERIAL/LOCAL INTERSECTIONS ...................................................................................................... 16
ARTERIAL/LOCAL INTERSECTIONS RECOMMENDATIONS ........................................................................ 17
COLLECTOR/COLLECTOR INTERSECTIONS ............................................................................................ 18
COLLECTOR/LOCAL INTERSECTIONS ................................................................................................... 18
COLLECTOR/LOCAL INTERSECTIONS RECOMMENDATIONS ..................................................................... 18
LOCAL/LOCAL INTERSECTIONS .......................................................................................................... 19
ARTERIAL SEGMENTS ...................................................................................................................... 20
ARTERIAL SEGMENTS RECOMMENDATIONS ........................................................................................ 21
COLLECTOR SEGMENTS ................................................................................................................... 22
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2 2014 Traffic Safety Report
December 2015
Executive Summary
The Public Works & Police Departments are pleased to present the 14th cycle of
the City’s annual traffic safety program. The Annual Traffic Safety Program
began in 2002 in an attempt to identify high collision locations within the City . In
addition, the program actively pursues corrective measures that may reduce
collision rates and improve safety for the citizen of San Luis Obispo. This
program has had continued success with 55% collision reduction since the
program began despite increasing traffic volumes. In 2009 the City received the
International Public Agency Achievem ent award from the Institute of Traffic
Engineers (ITE) for this program. This award is one of the highest recognitions a
public agency can receive for its traffic engineering practices.
This safety program has had long lasting success and again in 2014, total
collisions are the lowest on record, down by 4% from the previous year.
However, to ensure that the most serious collisions are analyzed, the safety
report program will begin to focus on collisions with injury. Injury collisions require
a police report to be taken, along with an investigation by a peace officer. These
reports give a clearer picture of the collision circumstances, and can establish a
more reliable year-to-year trend as policies change with regard to collision
response. In 2014, injury collisions decreased by 3% from the previous year, and
are 16% lower since the safety program began.
The program also includes thorough evaluations of bicycle and pedestrian safety.
Bicycle collision trends continue to decline since peaking in 2009, with a 21%
drop over 2013 numbers. Overall annual pedestrian collisions have been relative
static since 2008, in 2013 there was a significant peak however in 2014 the
number of pedestrian collision have returned to the historical trend. The was one
fatality in 2014 involving a pedestrian crossing S. Higuera near the County line
south of Los Osos Valley Road.
The following report displays trends in collision history, traffic safety measures
and identifies high collision rate locations in 2014. As in previous Traffic Safety
Reports, staff reviewed all high collision rate intersections and segment locations
and has recommended mitigation measures to increase safety at the top five
locations in each category. Additionally, the report tracks the enforcement of
traffic citations and DUI arrests in the City, to address trends in the types of
violations which cause collisions.
Our goal is that the combination of thorough analysis, appropriate mitigation, and
consistent and focused education and enforcement will continue to reduce traffic
collisions and injuries and improve the safety of our motoring, walking and
bicycling public.
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3 2014 Traffic Safety Report
December 2015
Citywide Collision Trends
Injury collisions are the most accurate representation of City collision trends
because these types of collision are most consistently reported and investigated.
In 2014 the sustained downward trend since the beginning of the safety program
continues with a 3% reduction from 2013.
Injury Collision Trend
It’s difficult to identify a trend in fatal collisions because these types of collisions
are typically sporadic, uncommon, and occur under unusual circumstances. The
single collision in 2014 occurred on S. Higuera Street near the City limits south of
Los Osos Valley Road and involved a pedestrian standing in the roadway during
evening hours.
Fatal Collision Trend
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4 2014 Traffic Safety Report
December 2015
Overall Collision Trend
The Overall Collision chart does not represent all collisions that occur in the City,
merely all reported collisions for which a report is generated. Many collisions are
unreported by the involved parties, are reported by the parties without an officer
investigation, or there is no response to the collision by emergency services.
Therefore, the actual total collisions may vary between years. A more accurate
measure are the injury and fatal collision trends, as police always respond to
collisions where the reporting party indicates there is an injury.
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5 2014 Traffic Safety Report
December 2015
Pedestrian & Bicycle Collision Trends
Despite rising pedestrian volumes, pedestrian collisions have remained relatively
static since 2008. In 2013 there was an unexplained spike, however total
pedestrian collisions in 2014 have return to the historical trend.
Pedestrian Collision Trend
Despite rising bicycle volumes, bicycle collisions have actually been on the
decline since 2009, bicycle collision are down by almost 30% over the last 5
years, 20% in just the last year. These reductions can be attributed to the City’s
investment is bicycle improvements, education, and enforcement.
Bicycle Collision Trend
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6 2014 Traffic Safety Report
December 2015
Traffic Enforcement Measures
Citation Trends
DUI Arrests
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7 2014 Traffic Safety Report
December 2015
Citations by Vehicle Code Section 2014
Distraction and
Driving Offenses
(§23100-23135)
17%
Insurance related
(§16000-17714)
16%
Traffic Control
Devices (§21350-
21468)
15%
Driver's License
related (§12500-
15325)
13%
Speed (§22348-
22413)
12%
Stop sign (§22450-
22456)
11%
Right side of
Roadway (§21650-
21664)
4%
Turning & Signals
(§22100-22113)
4%
Bicycle related
(§21200-21212)
3%
Failure to Yield
(§21800-21809)
3%
Pedestrian Related
(§21949-21971)
2%
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8 2014 Traffic Safety Report
December 2015
Traffic Safety Education Campaigns
Partnership with the California Office of Traffic Safety
A Selective Enforcement Grant funds a full-time DUI officer position. This
officer is utilized specifically for DUI enforcement in an effort to further reduce the
number of alcohol and drug related driving incidents.
Bicycle Rodeo
The City hosts a hands-on bicycle training class targeting youth teaching
bicycle skills & operations.
Pedestrian Halloween Safety Campaign
The City provides reflective Halloween bags with safety tips to local schools
free of cost.
Impaired Driver Offender Classes
City officers attend and supplement DUI offender courses to provide a unique
positive opportunity to discuss, face to face, the impacts of driving under the
influence.
Every Fifteen Minutes Program
The City participates in a multi department and agency event simulating the
psychological effects of student fatalities as a result of traffic collisions.
Child Car Seat Instruction & Assistance
The City provides child safety seat installation and inspection free of cost.
Channel 20 Public Safety Announcements
Bicycle Safety Posters
City of SLO Partnerships:
SLO County Bicycle Coalition
Safety Education Courses
Elementary School Safety Assemblies
Safety Brown Bag Lunch at Participating Businesses
SLO Rideshare
Safe Routes to School Program
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9 2014 Traffic Safety Report
December 2015
2014 High Collision Rate Locations & Recommendations
Pedestrians
2014
Rank Prev. Rank Intersection
2014
Collisions
5 Yr.
Collisions
PH Veh.
Vol
PH Ped.
Vol REV
1 Not Ranked Santa Rosa & Walnut 2 3 2606 13 3007
2 1 Foothill & Santa Rosa 1 3 3907 87 674
3 2 Monterey & Santa Rosa 1 3 2159 128 253
4 Not Ranked Higuera & Nipomo 3 3 1115 138 121
5 3 Broad & Higuera 1 5 1052 469 56
PH = Peak Hour
REV = Relative Exposure Value
The method for evaluating pedestrian collision locations identifies all locations where at least
one pedestrian collision has occurred in 2014 and ranks those locations based on a “relative
exposure value” (REV) for the previous five year pedestrian collis ion history, with three or more
pedestrian related collisions.
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10 2014 Traffic Safety Report
December 2015
Pedestrian Location Recommendations
2014
Rank Prev. Year
Rank Intersection 5 Yr.
Collisions
PH Veh.
Vol
PH Ped.
Vol REV
1 Not Ranked Santa Rosa & Walnut 3 2606 13 3007
Pattern: Turning traffic failing to yield to pedestrians.
Recommendation: Intersection under State Jurisdiction. Forward to Caltrans for study &
continue to monitor in 2015.
2 1 Foothill & Santa Rosa 3 3907 87 674
Pattern: Turning traffic failing to yield to pedestrians.
Recommendation: Forward to Caltrans for study. Continue to monitor in 2015.
3 2 Monterey & Santa Rosa 3 2159 128 253
Pattern: Left turning traffic not yielding to pedestrians.
Recommendation: Yield to Pedestrian signs installed in April of 2011. Investigate
Flashing Yellow Arrow and Advanced Pedestrian Phasing options as part of minor signal
upgrade. Continue to monitor in 2015.
4 Not Ranked Higuera & Nipomo 3 1115 138 121
Pattern: Driving under the influence.
Recommendation: Conduct focused DUI enforcement downtown and continue to
monitor in 2015.
5 3 Broad & Higuera 5 1052 469 56
Pattern: Ped vs. Left Turns from Broad to Higuera and Higuera to Broad
Recommendation: Pedestrian warning signs upgraded in 2014, one collision since.
Continue to monitor in 2015.
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11 2014 Traffic Safety Report
December 2015
Bicycles
2014
Rank
Prev. Yr
Rank Intersection
2014
Collisions
5 yr
Collisions
PH Veh.
Volume
PHBike
Volume REV
1 unranked Santa Rosa & Walnut 2 6 2606 18 4343
2 unranked Broad & Orcutt 2 4 3276 23 2849
3 6 California & Taft 2 6 1746 19 2757
4 unranked Santa Rosa & Boysen 1 3 2750 20 2063
5 7 101 N/b On/off Ramp & California 2 4 1548 17 1821
6 3 California & Monterey 1 6 1935 40 1451
7 unranked Broad & Santa Barbara / South 1 3 2762 36 1151
8 4 Foothill & Santa Rosa 2 4 3907 71 1101
9 unranked California & Foothill 1 6 1995 88 680
10 unranked Grand & Mill 1 3 722 20 542
11 8 California & Mill 1 4 1031 47 439
12 9 California & Palm 1 3 1000 44 341
13 unranked Higuera & Garden 1 3 875 40 328
PH = Peak Hour
REV = Relative Exposure Value
The method for evaluating for bicycle collision locations identifies all locations where at least
one bicycle collision has occurred in 2014 and ranks those locations based on a “relative
exposure value” (REV) for the previous five year bicycle collision history, with three or more
bicycle related collisions. This method of evaluation is often chosen over pure numbers
because the number of collisions generally increases within proportion to bicycle volumes.
These values are used to identify locations where more collisions are occurring than would be
expected.
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12 2014 Traffic Safety Report
December 2015
Bicycle Location Recommendations
2014
Rank Prev. Year
Rank Intersection 5 yr.
Collisions
PH Veh.
Volume
PH. Bike
Volume REV
1 unranked Santa Rosa & Walnut 6 2606 18 4343
Pattern: Cyclists vs. NB Motorists turning Right onto Walnut.
Recommendation: Intersection under state jurisdiction. Green bike lane extensions thru
intersection were installed in July of 2015, monitor as part of 2015 Traffic Safety Report.
2 unranked Broad & Orcutt 4 3276 23 2849
Pattern: No discernible pattern.
Recommendation: Green bike lane extensions thru intersection were installed in August of
2015, Monitor as part of 2015 Traffic Safety Report.
3 6 California & Taft 6 1746 19 2757
Pattern: Cyclists vs. SB motorists Left Turning onto Taft.
Recommendation: Location approved for roundabout control as part of General Plan. Staff
is actively pursuing grant funding and will prepare a CIP request in the upcoming budget.
Cal Poly Housing EIR identified this as an impacted intersection and established a fair share
cost responsibility for the University. Also grant funding for Railroad Safety Trail Extension
thru this location approved, work expected to begin in Spring of 2016.
4 unranked Santa Rosa & Boysen 3 2750 20 2063
Pattern: Cyclists vs. NB Motorists turning Left onto Boysen.
Recommendation: Intersection under state jurisdiction. Forward to Caltrans for study &
continue to monitor in 2015.
5 7 101 N/b On/off Ramp
& California 4 1548 17 1821
Pattern: Cyclists vs. SB Motorists turning Left onto 101 On-Ramp.
Recommendation: Intersection under state jurisdiction. Green bike lane extensions thru
intersection were installed in Summer of 2014, monitor as part of 2015 Traffic Safety
Report.
PH = Peak Hour
REV = Relative Exposure Value
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13 2014 Traffic Safety Report
December 2015
Arterial/Arterial Intersections
Rank Intersection Control Collisions Volume Rate*
1 California & Monterey Signal 6 21,052 0.781
2 Grand & Monterey Signal 4 14,312 0.766
3 Marsh & Santa Rosa Signal 5 18,383 0.745
4 Los Osos Valley & Madonna Signal 10 38,376 0.714
5 California & 101 Nb On/Off Ramp Stop 4 15,758 0.695
6 Monterey & Santa Rosa Signal 6 26,656 0.617
7 Chorro & Marsh Signal 3 14,032 0.586
8 Foothill & Santa Rosa Signal 9 50,288 0.490
9 Broad & South / Santa Barbara Signal 6 34,841 0.472
10 California & Foothill Signal 4 23,589 0.465
11 Higuera & Madonna Signal 5 32,600 0.420
12
101 N/B On/Off Ramp & Los Osos
Valley Signal 4 27,350 0.401
13 Broad & Orcutt Signal 5 34,988 0.392
14 Higuera & Prado Signal 3 21,385 0.384
15 Higuera & Tank Farm Signal 4 29,470 0.372
16 Broad & Tank Farm Signal 5 40,333 0.340
17 101 N/B On/Off Ramp & Madonna Signal 3 27,776 0.296
18 101 S/B On/Off Ramp & Madonna Signal 3 28,518 0.288
*Rate = Collision frequency per million vehicles entering the intersection
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14 2014 Traffic Safety Report
December 2015
Arterial/Arterial Intersections Recommendations
Rank Intersection Control Collisions Volume Rate*
2 California & Monterey Signal 7 21,052 0.911
Pattern: No discernible pattern.
Recommendation: Continue to monitor in 2015.
2 Grand & Monterey Signal 4 14,312 0.766
Pattern: Permissive EB Left Vs. WB Thru
Recommendation: Evaluate conversion of permissive left turn phasing to protected left turn
phasing and continue to monitor in 2015.
3 Marsh & Santa Rosa Signal 5 18,383 0.745
Pattern: Permissive SB Left Vs. NB Thru
Recommendation: Evaluate conversion of permissive left turn phasing to protected left turn
phasing and continue to monitor in 2015.
4 Los Osos Valley & Madonna Signal 10 38,376 0.714
Pattern: EB & WB rear ends, driver inattention.
Recommendation: Continue to monitor in 2015.
5 California & 101 NB On/Offramp Stop 4 15,758 0.695
Pattern: Cyclists vs. SB Motorists turning Left onto 101 On-Ramp.
Recommendation: Intersection under state jurisdiction. Green bike lane extensions thru
intersection were installed in Summer of 2014, monitor as part of 2015 Traffic Safety Report.
*Rate = Collision frequency per million vehicles entering the intersection
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15 2014 Traffic Safety Report
December 2015
Arterial/Collector Intersections
Rank Intersection Control Collisions Volume Rate*
1 California & Mill Signal 3 11,937 0.689
2 Osos & Pismo Signal 3 14,439 0.569
3 Madonna & Oceanaire Signal 4 24,184 0.566
4 Broad & Foothill Signal 3 18,977 0.433
5 Mill & Santa Rosa Signal 3 22,889 0.359
In 2014 there were 5 Arterial/Collector intersection locations that had 3+ collisions
Arterial/Collector Intersections Recommendations
Rank Intersection Control Collisions Volume Rate*
1 California & Mill Signal 3 11,937 0.689
Pattern: Red light violations.
Recommendation: Upgrade 8” signal indications to 12” and continue to monitor in 2015.
2 Osos & Pismo Signal 3 14,439 0.569
Pattern: No discernible pattern.
Recommendation: Continue to monitor in 2015.
3 Madonna & Oceanaire Signal 5 24,184 0.566
Pattern: No discernible pattern.
Recommendation: Continue to monitor in 2015.
4 Broad & Foothill Signal 3 18,977 0.433
Pattern: EB Thru Vs. WB Left right of way violations.
Recommendation: Upgrade 8” signal indications to 12” indications & continue to monitor in
2015.
5 Mill & Santa Rosa Signal 3 22,889 0.359
Pattern: EB & WB Mill Red Light Violations.
Recommendation: Upgrade 8” signal indications to 12” indications & continue to monitor in 2015.
Continue to monitor in 2015.
*Rate = Collision frequency per million vehicles entering the intersection
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16 2014 Traffic Safety Report
December 2015
Arterial/Local Intersections
Rank Intersection Control Collisions Volume Rate*
1 Monterey & Osos Signal 5 6,822 2.008
2 Marsh & Morro Signal 4 11,222 0.977
3 California & Taft Stop 6 17,813 0.923
4 Calle Joaquin & Los Osos Valley Signal 10 33,320 0.822
5 Garden & Higuera Stop 3 10,120 0.812
6 Higuera & Osos Signal 3 12,313 0.668
7 Froom Ranch & Los Osos Valley Signal 7 37,440 0.512
8 Santa Rosa & Walnut Signal 6 33,171 0.496
9 Breck & Johnson Stop 3 17,932 0.458
10 Higuera S & Suburban Signal 4 25,792 0.425
11 Olive & Santa Rosa Signal 5 44,039 0.311
12 Auto Park & Los Osos Valley Stop 3 30,968 0.265
*Rate = Collision frequency per million vehicles entering the intersection
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17 2014 Traffic Safety Report
December 2015
Arterial/Local Intersections Recommendations
Rank Intersection Control Collisions Volume Rate*
1 Monterey & Osos Signal 5 6,822 2.008
Pattern: Red Light Violations All Directions
Recommendation: Reconstruct signal with mast arms to increase visibility of indications.
Project is funded as part of current CIP, construction is expected in 2016.
2 Marsh & Morro Signal 4 11,222 0.977
Pattern: No discernible pattern.
Recommendation: Continue to monitor in 2015.
3 California & Taft Stop 6 17,813 0.923
Pattern: Broadside Collisions.
Recommendation: Location approved for roundabout control as part of General Plan. Staff is
actively pursuing grant funding and will prepare a CIP request in the upcoming budget as
well. Cal Poly Housing EIR identified this as an impacted intersection and established a fair
share cost responsibility for the University.
4 Calle Joaquin & Los Osos
Valley Signal 10 33,320 0.822
Pattern: Rear End and Broadside Collisions.
Recommendation: Intersection being reconfigured as part of the LOVR Interchange Project,
continue to monitor after construction is complete.
5 Garden & Higuera Stop 3 10,120 0.812
Pattern: Parking Maneuvers
Recommendation: Intersection being reconfigured as part of Garden Street Terraces project.
Continue to monitor after construction is complete.
*Rate = Collision frequency per million vehicles entering the intersection
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18 2014 Traffic Safety Report
December 2015
Collector/Collector Intersections
No Locations Ranked Under this Category
Collector/Local Intersections
Rank Intersection Control Collisions Volume Rate*
1 Chorro & Peach Stop 4 6,774 1.618
In 2014 there was a single Collector/Local intersection location that had 3+ collisions
Collector/Local Intersections Recommendations
Rank Intersection Control Collisions Volume Rate*
1 Chorro & Peach Stop 4 6,774 1.618
Pattern: Pattern: EB and WB vs. SB
Recommendation: Lane reconfigurations to Chorro Street near this intersection were completed
in 2015, continue to monitor.
*Rate = Collision frequency per million vehicles entering the intersection
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19 2014 Traffic Safety Report
December 2015
Local/Local Intersections
No Locations Ranked Under this Category
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20 2014 Traffic Safety Report
December 2015
Arterial Segments
Rank Prev.
Rank Segment Collisions Volume Segment
Length Rate Type Location
1 Not
Ranked
Santa Rosa, 200-
600 Block 8 13390 0.27 6.063 Arterial Oak to Walnut
2 3 Foothill, 1000-1200
Block 12 16527 0.33 6.028 Arterial Santa Rosa to
California
3 1 Higuera, 500-700
Block 6 23991 0.25 2.763 Arterial Nipomo to Garden
4 6 Broad, 2900-3200
Block 7 27108 0.40 1.769 Arterial Sweeny to
Rockview
5 Not
Ranked LOVR, 12000 Block 13 32027 0.82 1.356 Arterial NB 101 on/off
ramps to Froom
*Rate = Collision frequency per million vehicle miles traveled along the segment
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21 2014 Traffic Safety Report
December 2015
Arterial Segments Recommendations
Rank Prev.
Rank Segment Collisions Volume Segment
Length Rate Type Location
1 Not
Ranked
Santa Rosa, 200-
600 Block 8 13390 0.27 6.063 Arterial Oak to Walnut
Pattern: Rear end collisions in congestion
Recommendation: Interchange planned for upgrade to address congestion as part of City General plan and regional
transportation plan. Intersection under state jurisdiction, forward finding to CalTrans.
2 3 Foothill, 1000-1200
Block 12 16527 0.33 6.028 Arterial Santa Rosa to
California
Pattern: Drivers entering and exiting driveways, failure to yield right of way.
Recommendation: Work with property management companies to distribute safety fliers for residents of housing
complexes along corridor.
3 1 Higuera, 500-700
Block 6 23991 0.25 2.763 Arterial Nipomo to Garden
Pattern: Parking maneuvers.
Recommendation: Update any parking stalls that do not conform to current City Standards .
4 6 Broad, 2900-3200
Block 7 27108 0.40 1.769 Arterial Sweeny to
Rockview
Pattern: Rear end collisions, attributed to vehicles turning at driveways.
Recommendation: Pursue funding for and implementation of Broad St. Median, Signalized Intersections, and Victoria
Ave. Extension as adopted under the South Broad Street Area Plan. Apply access management practices for new
development projects along corridor.
5 Not
Ranked LOVR, 12000 Block 13 32027 0.82 1.356 Arterial NB 101 on/off
ramps to Froom
Pattern: Rear end collisions. Construction of the LOVR 101 Overpass is a contributing factor.
Recommendation: No recommendation, due to construction activities. Continue to monitor in 2015.
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22 2014 Traffic Safety Report
December 2015
Collector Segments
No Locations Ranked Under this Category
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ANNUAL TRAFFIC SAFETY REPORT
1
The Tribune, sanluisobispo.com, 12/12/2014
2
OVERALL CITYWIDE TRAFFIC COLLISION TREND
91
0
10
2
3
11
4
0
12
5
6
10
9
7
12
0
7
10
8
9
87
3
86
6
79
3
68
3
59
8
61
9
59
4
57
0
54
8
0
200
400
600
800
1000
1200
1400
To
t
a
l
C
o
l
l
i
s
i
o
n
s
Year
Safety
Program
Begins
3
CITYWIDE INJURY & FATAL COLLISION TRENDS
2 2 1 1 4 3 2 1 1 3 1 0
1
2
3
4
5
Fa
t
a
l
C
o
l
l
i
s
i
o
n
s
Year
24
0
26
7
26
8
30
9
30
8
31
5
28
5
25
0
25
7
24
0
23
6
23
3
22
0
19
1
20
7
20
1
150
170
190
210
230
250
270
290
310
330
In
j
u
r
y
C
o
l
l
i
s
i
o
n
s
Year
24 37 19 41 24 41 26 27 18 25 24 22 24 26 39 24 0
10
20
30
40
50
60
70
80
90
100
Pe
d
e
s
t
r
i
a
n
C
o
l
l
i
s
i
o
n
s
Year
4
CITYWIDE PED & BIKE COLLISION TRENDS
52 46 45 53 55 50 55 61 59 59 73 69 67 69 63 50 0
10
20
30
40
50
60
70
80
90
100
Bi
c
y
c
l
e
C
o
l
l
i
s
i
o
n
s
Year
5
CITYWIDE TRAFFIC CITATIONS
39
6
50
2
41
0
30
4
31
2
41
2
33
1
33
9
24
8
21
3
24
1
25
6
37
7
44
5
0
100
200
300
400
500
600
DU
I
A
r
r
e
s
t
s
Year
20
0
1
17
9
1
22
4
3
25
5
0
89
6
78
9
93
4
17
6
9
31
2
0
20
9
8
28
0
6
14
7
4
15
2
4
15
7
1
14
0
7
67
4
1
71
1
4
65
0
8
48
0
2
26
6
3
34
5
4
35
8
5
44
8
8
74
3
7
59
4
7
46
8
6
41
2
4
61
9
5
52
9
3
29
9
2
0
1000
2000
3000
4000
5000
6000
7000
8000
Ci
t
a
t
i
o
n
s
Year Hazardous Total Citations
New Projects from
2014 Safety Report
7
ARTERIAL /ARTERIAL: GRAND & MONTEREY
Ranked 2nd For Arterial/Arterial Intersections
PATTERN:
RECOMMENDATION:
Permissive EB Left Vs. WB Thru
Evaluate conversion of
permissive left turn phasing
to protected left turn phasing
and continue to monitor in
2015.
8
ARTERIAL /ARTERIAL: MARSH & SANTA ROSA
Ranked 3rd For Arterial/Arterial Intersections
PATTERN:
RECOMMENDATION:
Permissive SB Left Vs. NB Thru
Evaluate conversion of permissive left turn phasing, to protected left turn
phasing, or flashing yellow arrow, and continue to monitor in 2015.
9
10
ARTERIAL & COLLECTORS:
MILL & SANTA ROSA,
MILL & CALIFORNIA,
BROAD & FOOTHILL
PATTERN:
RECOMMENDATION:
Vehicles failing to yield right of way
Upgrade from 8” to 12” signal
indications to improve visibility.
8”
12”
Safety Projects Underway or
Completed
•Santa Rosa Corridor
Safety Projects Underway or
Completed
•Santa Rosa Corridor
•Monterey & Santa Rosa
•Broad & Higuera
Safety Projects Underway or
Completed
•Santa Rosa Corridor
•Monterey & Santa Rosa
•Broad & Higuera
•101 NB Ramps & California
Safety Projects Underway or
Completed
•Chorro & Mill
Ch
o
r
r
o
S
t
Mill St
NORTH
•Santa Rosa Corridor
•Monterey & Santa Rosa
•Broad & Higuera
•101 NB Ramps & California
Safety Projects Underway or
Completed
•Broad & Orcutt
•Chorro & Mill
•Santa Rosa Corridor
•Monterey & Santa Rosa
•Broad & Higuera
•101 NB Ramps & California
•101 NB Ramps & California
Safety Projects Underway or
Completed
•Monterey & Osos
Westbound on Monterey
Eastbound on Monterey
•Broad & Orcutt
•Chorro & Mill
•Santa Rosa Corridor
•Monterey & Santa Rosa
•Broad & Higuera
Safety Projects Underway or
Completed
•Calle Joaquin & LOVR Interchange - Under Construction
•101 NB Ramps & California
•Monterey & Osos
•Broad & Orcutt
•Chorro & Mill
•Santa Rosa Corridor
•Monterey & Santa Rosa
•Broad & Higuera
Projects Without Funding
Taft
California & Taft
19
Ranked current Traffic Safety Report, Projects identified in General Plan Update EIR.
Broad St. Corridor
20
FUNDING
Traffic Safety Account: Available Balance $41,000
8 Safety Projects (Engineer Estimate) - $40,000
Remaining Balance $1,000
Monterey & Osos Traffic Signal: $225k 2015-17 FP
21
Unfunded
California & Taft: $800k
Broad St. Corridor:
-Median Improvements, entire length $1.7 million
-Intersection Controls $952k
-Woodbridge, Lawrence & Sweeney
Receive and file the 2014 Traffic Safety Report.
STAFF RECOMMENDATION:
22
PEDESTRIANS
BICYCLES
OVERALL RANKINGS
23
Rank Prev. Year
Rank Intersection 5 Yr.
Collisions
PH Veh.
Vol
PH Ped.
Vol REV
1 Not Ranked Santa Rosa & Walnut 3 2606 13 3007
2 1 Foothill & Santa Rosa 3 3907 87 674
3 2 Monterey & Santa Rosa 3 2159 128 253
4 Not Ranked Higuera & Nipomo 3 1115 138 121
5 3 Broad & Higuera 5 1052 469 56
Rank Prev. Yr
Rank Intersection 5 yr Collisions PH Veh. Volume PHBike Volume REV
1 unranked Santa Rosa & Walnut 6 2606 18 4343
2 unranked Broad & Orcutt 4 3276 23 2849
3 6 California & Taft 6 1746 19 2757
4 unranked Santa Rosa & Boysen 3 2750 20 2063
5 7 101 N/b On/off Ramp & California 4 1548 17 1821
6 3 California & Monterey 6 1935 40 1451
7 unranked Broad & Santa Barbara / South 3 2762 36 1151
8 4 Foothill & Santa Rosa 4 3907 71 1101
9 unranked California & Foothill 6 1995 88 680
10 unranked Grand & Mill 3 722 20 542
11 8 California & Mill 4 1031 47 439
12 9 California & Palm 3 1000 44 341
13 unranked Higuera & Garden 3 875 40 328
ARTERIAL/ARTERIAL INTERSECTIONS
24
Rank Intersection Collisions
Previous
Rank Volume Rate EB WB NB SB Control
1 California & Monterey 6 12 21,052 0.781 4,940 5,627 5,459 5,026 Signal
2 Grand & Monterey 4 - 14,312 0.766 5,708 4,167 100 4,337 Signal
3 Marsh & Santa Rosa 5 10 18,383 0.745 10,257 N/A 2,349 5,777 Signal
4 Los Osos Valley & Madonna 10 22 38,376 0.714 12,535 13,968 2,590 9,283 Signal
5 California & 101 Nb On/Off Ramp 4 16 15,758 0.695 5,649 5,977 N/A 4,132 Stop
6 Monterey & Santa Rosa 6 7 26,656 0.617 1,967 5,537 9,121 10,031 Signal
7 Chorro & Marsh 3 - 14,032 0.586 10,200 N/A 1,263 2,569 Signal
8 Foothill & Santa Rosa 9 5 50,288 0.490 8,713 8,546 16,993 16,036 Signal
9 Broad & South / Santa Barbara 6 - 34,841 0.472 7,546 6,263 14,078 6,954 Signal
10 California & Foothill 4 - 23,589 0.465 7,981 2,000 9,113 4,495 Signal
11 Higuera & Madonna 5 20 32,600 0.420 12,954 200 6,542 12,904 Signal
12 101 N/B On/Off Ramp & Los Osos Valley 4 6 27,350 0.401 11,237 N/A 2,762 13,351 Signal
13 Broad & Orcutt 5 21 34,988 0.392 500 6,923 13,117 14,448 Signal
14 Higuera & Prado 3 8 21,385 0.384 2,419 1,534 8,747 8,685 Signal
15 Higuera & Tank Farm 4 17 29,470 0.372 200 9,180 11,242 8,848 Signal
16 Broad & Tank Farm 5 18 40,333 0.340 10,034 5,817 11,316 13,166 Signal
17 101 N/B On/Off Ramp & Madonna 3 - 27,776 0.296 12,868 11,328 3,580 N/A Signal
18 101 S/B On/Off Ramp & Madonna 3 - 28,518 0.288 11,133 17,385 200 9,394 Signal
Rank Intersection Collisions Prev Rank Volume Rate EB WB NB SB Control
1 California & Mill 3 - 11,937 0.689 990 594 5,327 5,026 Signal
2 Osos & Pismo 3 - 14,439 0.569 N/A 4,729 7,029 2,681 Signal
3 Madonna & Oceanaire 5 - 24,184 0.566 9,067 13,022 777 1,318 Signal
4 Broad & Foothill 3 - 18,977 0.433 7,934 8,500 2,543 N/A Signal
5 Mill & Santa Rosa 3 - 22,889 0.359 1,038 1,412 10,120 10,319 Signal
ARTERIAL/COLLECTOR INTERSECTIONS
ARTERIAL/LOCAL INTERSECTIONS
25
Rank Intersection Collisions Prev Rank Volume Rate EB WB NB SB Control
1 Monterey & Osos 5 - 6,822 2.008 1,286 1,975 2,189 1,372 Signal
2 Marsh & Morro 4 5 11,222 0.977 9,397 N/A 686 1,139 Signal
3 California & Taft 6 8 17,813 0.923 N/A 2,407 5,977 9,429 Stop
4 Calle Joaquin & Los Osos Valley 10 3 33,320 0.822 14,819 16,651 650 1,200 Signal
5 Garden & Higuera 3 - 10,120 0.812 N/A 8,620 1,500 N/A Stop
6 Higuera & Osos 3 - 12,313 0.668 N/A 7,203 3,118 1,992 Signal
7 Froom Ranch & Los Osos Valley 7 11 37,440 0.512 12,491 15,749 8,000 1,200 Signal
8 Santa Rosa & Walnut 6 14 33,171 0.496 1,307 7,269 10,780 13,815 Signal
9 Breck & Johnson 3 - 17,932 0.458 200 N/A 8,818 8,914 Stop
10 Higuera S & Suburban 4 7 25,792 0.425 N/A 2,750 12,765 10,277 Signal
11 Olive & Santa Rosa 5 4 44,039 0.311 9,042 1,842 19,340 13,815 Signal
12 Auto Park & Los Osos Valley 3 - 30,968 0.265 14,819 15,749 N/A 400 Stop
COLLECTOR/LOCAL INTERSECTIONS
ARTERIAL SEGMENTS
26
Rank Intersection Control Collisions Volume Rate
1 Chorro & Peach Stop 4 6,774 1.618
Rank Prev. Rank Segment Collisions Volume Segment Length Rate Type Location
1 Not Ranked Santa Rosa, 200-600 Block 8 13390 0.27 6.063 Arterial Oak to Walnut
2 3 Foothill, 1000-1200 Block 12 16527 0.33 6.028 Arterial Santa Rosa to California
3 1 Higuera, 500-700 Block 6 23991 0.25 2.763 Arterial Nipomo to Garden
4 6 Broad, 2900-3200 Block 7 27108 0.40 1.769 Arterial Sweeny to Rockview
5 Not Ranked LOVR, 12000 Block 13 32027 0.82 1.356 Arterial NB 101 on/offramps to Froom
27
CHORRO & MILL
Ranked 1st For Collector/Local Locations, 2013
PATTERN:
INSTALLATION:
Southbound/northbound vs.
eastbound/westbound
Left Turn lanes removed, bike
lanes striped through
intersection. Monitor until
2016, roundabout installation
being studied.
BAC: July 2014 “strongly
endorse the traffic circle
concept at Chorro/Mill”
Ch
o
r
r
o
S
t
Mill St
NORTH
Looking northbound on Chorro Street
Looking southbound on Chorro Street
Other Safety Projects: Higuera Widening
N
28
29
MONTEREY & OSOS
Ranked 1st For Arterial/Local Intersections
Westbound on Monterey
Eastbound on Monterey
PATTERN:
RECOMMENDATION:
Red light violations all directions
Reconstruct signal to improve
visibility of indications.
Project approved in 2015/17
CIP Plan, construction
beginning Summer 2016
Before After
30
OLIVE, WALNUT, MONTALBAN & SANTA ROSA
Ranked 1st For Bicycle Locations, 2013
Proposed Green Lane Striping
Collision Pattern Movement (Right Hook)
PATTERN:
INSTALLATION:
Northbound bicyclists vs.
northbound motorists turning
right onto Olive
Green bike lanes installed along
corridor in summer 2015.
Continue to monitor in 2015
report.