HomeMy WebLinkAboutLOVR_CalleJoaquinToMadonna - 2018Public Works
919 Palm Street, San Luis Obispo, CA 93401-3218
805.781.7200
slocity.org
Location: LOS OSOS VALLEY ROAD ..CALLE JOA UIN TO MADONNA
Direction: BOTH
Date: 07/23/2018
Observer: JW & IZ
Time: 12:36-1:25 PM
Road Classification (FAU Map): REGIONAL ROUTE/PARKWAY ARTERIAL
Adjacent Land Use(s): COMMERCIAL/OFFICE
ADT: Length: # Of Collisions: Collision Rate:
28836 0.8 mi. 32 (3 Yr.) 1.27 APMVM
85t1' Percentile: Previous Posted 10 mph Pace: Observed
Speed: Vehicles:
42 mph 40 mph 33 to 42 mph 200
Physical Description: This segment of Los Osos Valley Road is a four -lane divided
regional route with class II bike lanes and left turn provisions at commercial driveways
and intersections.
Unusual Conditions: None.
SPEED LIMIT DESIGNATION: 40 mph
The collision rate for this segment of Los Osos Valley Road is below average for the State of
California and Caltrans District 5, but above average for the County of San Luis Obispo. The
above noted conditions justify a speed limit recommendation based upon the 85th percentile per
California MUTCD Section 2B.13 and California Vehicle Code Section 22358.
Matthew Crisp, PE, Transportation Planner/Engineer III:
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CITY OF SAN L UIS OBISPO -PUBLIC WORKS DEPT./TRAFFIC DIV. SPOT SPEED STUDY
Street: LOVR
Location: Approx. 350 feet east of Froom Ranch (Home Depot Sign)
Between: Calle Joaquin & Madonna Ref. #
Frequency
15
16
17
18
19
20
21
22
23 1
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
5
3
5
1
12
8
12
9
14
17
19
15
13
13
11
13
200
Frequency Distribution
Cumulative Nte: 7/23/2018 Day: Monday
Percent Percent Weather: Clear & sunny
0.00% 0.00% Hours: 12:36 PM To 1:25 PM
0.00% 0.00% Recorder: Justin Wong & Ivy Zhao
0.00% 0.00% Posted Speed: 45 MPH
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
Remarks:
DATA ANALYSIS:
0.50%
0.50%
Mean Speed:
0.00%
0.50%
Standard Deviation:
0.00%
0.50%
Standard error of the mean:
2.50%
3.00%
50th Percentile:
1.50%
4.50%
85th Percentile:
2.50%
7.00%
97th Percentile:
0.50%
7.50%
10 Mile Pace:
6.00%
13.50%
% of Samples in 10-Mile Pace:
4.00%
17.50%
Comments:
6.00%
23.50%
4.50%
28.00%
450
3250
37
5
0.35
37
42
46
33 to 42
66.50%
7.00% 39.50% Cumulative Frequency Distribution
0
8.50%
48.00%
120 /o
9.50%
57.500yo
c100%
7.50%
65.000yo
d
d 80%
6.50%
71.500yo
LL
6.50%
78.000yo
> ° 60
5.50%
83.50%
40%
6.50%
90.00%
E
1.50%
91.50%
Ci 20%
200
93 50%
0%
3.00% 96.50% '`h '�� ti^ tia `ti + 1p r6 1P 0 0 0 h� 4: ` 4
1.00% 97.50% Spot Speed, mph
1.00% 98.50%
0.50% 99.00%
0.50% 99.500/_ 20
0.50% 100.00% 18
0.00% 100.00% 16
0.00% 100.00% A4
0.00% 100.00% 82
0.00% 100.00% 0 8
0.00% 100.00% "
0.00% 100.00% 4
0.00% 100.00% 2
0.00% 100.00% 0
0.00% 100.00% �h `y ,yo
100/o
o Spot Speed, mph
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