ATTACHMENT 4
AMENDMENT NO. 2
ENGINEERING AND TRAFFIC SURVEY FOR
SPEED LIMITS
August 18, 2026
ATTACHMENT 4
CERTIFICATION
I, Beshoy R Demyan, do hereby certify that Amendment No. 2 for the Engineering and Traffic Survey for the City of Manteca was performed under my supervision. I certify that I am experienced in performing surveys of this type and duly registered in the State of California as a professional Civil Engineer.
Beshoy Demyan
RCE# 83233
Exp. 03/31/2027
City of Manteca
Amendment No. 2
Engineering and Traffic Survey for Speed Limits
2 August 2026
ATTACHMENT 4
AMENDEMENT NO. 2 ORGANIZATION
Amendment No. 2 is under headings that correspond with the main section headings of the ENGINEERING AND TRAFFIC SURVEY FOR SPEED LIMITS dated May 2, 2023, adopted under Resolution No. R2023-49.
The main sections heading is a heading shown in the table of contents of the adopted ENGINEERING AND TRAFFIC SURVEY FOR SPEED LIMITS.
Each revision below begins with a revisions clause that describes or introduces a revision to the ENGINEERING AND TRAFFIC SURVEY FOR SPEED LIMITS dated May 2, 2023, adopted under Resolution No. R2023-49.
Replace Row No. 26 in Table No. 3 in the ENGINEERING AND TRAFFIC SURVEY FOR SPEED LIMITS dated May 2, 2023, adopted under Resolution No. R2023-49 with the following:
Table 3: Speed Survey Recommendations
No. Street Segment
Existing
Speed
Limit
(mph)
Recom
Speed
Limit
(mph)
85%
Speed
(mph)
Median
Speed
(mph)
10 mph
Pace
Range
(mph)
% of
Veh. In
Pace Justification
26 Crom Street
between Union
Road and Airport
Way
35 30 37 32 27 - 36 78% Crom Street between Union
Road and Airport Way is in
close proximity to Stella
Brockman Elementary School
and fronts a residential district.
These factors contribute to a
roadway environment with
increased pedestrian
exposure and support
consideration of a reduced
speed limit in accordance with
CVC Section 22358.6(b)
City of Manteca August 2026
Amendment No. 2
Engineering and Traffic Survey for Speed Limits
3 Appendix
Replace Location No. 26 in The Appendix Section in the
ENGINEERING AND TRAFFIC SURVEY FOR SPEED LIMITS
dated May 2, 2023, adopted under Resolution No. R2023-49 with the following:
City of Manteca August 2026
Amendment No. 2
Engineering and Traffic Survey for Speed Limits
4 City of Manteca
2026 Engineering and Traffic Survey Amendment No. 2
Location:
Direction: Recorder:
Survey Date: Weather:
Begin Time: End Time:
Summary Statistics Speed Number Number
Total Observed 24 1 0
Speed Range 25 1 0
50th percentile speed 26 3 0
85th percentile speed 27 4 0
10 mph pace speed 28 6 0
% in pace speed 29 7 0
30 11 0
31 20 0
32 11 0
33 13 0
34 11 0
35 6 0
36 11 0
37 4 0
38 4 0
39 4 0
40 7 0
41 2 0
42 1 0
43 1 0
128
Segment Length(mi): ADT:
Number of Collisions: Time Period: years
Calc. Collision Rate = collisions per million vehicle-miles Street Width (ft): Driveway: Terrain:
Parking Conditions: Sidewalk:
EB 1 WB 1
No
No
57 58
59 60
Frank Guillory
45 51
50 49
48 47
46 VEHICLE SPEED DATA RECOMMENDED SPEED LIMIT
Speed
30 MPH
128
6/18/2026
Both
10:45 AM
44 11:45 AM
Crom Street between Union Rd and Airport Way
Posted Speed Limit: 35 mph
Clear/Dry
Crom Street between Union Road and Airport Way is in close proximity to Stella Brockman Elementary School and fronts a residential district. These factors contribute to a roadway environment with increased pedestrian exposure and support consideration of a reduced speed limit in accordance with CVC Section 22358.6(b)
Speed Limit Change:
63 1.12 c/mvm
Varies
Count Date:
ANALYSIS INFORMATION
6/18/26
Flat
Both Sides
2,561
3 Yes
Comments: NA
TOTAL
Number of Lanes: Adjacent Land Use:
Divided Median:
Uncontrolled Crosswalks
YES
Speed Justification:
62 61
24 - 43 MPH
32 MPH
37 MPH
56 55
54 53
52 27 - 36 MPH
78%
very low/low/medium/high
density/residental/Park/
Public/QuasiPublic
Expected Collisions Rate:
0.96 3
1.11 45
Bike Lanes:
Entire EB side
Varies WB side
0 5
10 15
20 25
25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55
LOCATION 26 - FIGURE A - CROM ST
BETWEEN UNION RD AND AIRPORT WY \\utopia\engr\PWENG\804 Traffic Engineering\804-05 Traffic Studies\2026 Speed Survey\Crom St\Radar Map 26a-26b.dwg LOCATION 26 - FIGURE B - CROM ST
BETWEEN UNION RD AND AIRPORT WY \\utopia\engr\PWENG\804 Traffic Engineering\804-05 Traffic Studies\2026 Speed Survey\Crom St\Radar Map 26a-26b.dwg