CC - Item 4C - Approval OF Second Addendum to 1999 Engineering And Traffic Surveystaf epor
TO: HONORABLE MAYOR
AND MEMBERS
ROSEMEAD CITY COUNCIL
FROM: FRANK G. TRIPEPI, CITY MANAGER . ~
DATE: MAY 15, 2000
RE: APPROVAL OF SECOND ADDENDUM TO 1999 ENGINEERING AND TRAFFIC
SURVEY - MISSION DRIVE & DE ADELENA STREET
In 1999, the City Council adopted the citywide Engineering and Traffic Survey. The survey included
36 street segments within the City. However, because of the Valley Boulevard reconstruction project,
three streets.- Valley Boulevard, Mission Drive and De Adalena Street - were not surveyed at that
time. Upon completion of construction on the street, staff surveyed Valley Boulevard and submitted
the First Addendum to the traffic survey for City Council approval on September 14, 1999.
f~
Staff is now submitting the Second Addendum to the traffic survey for Mission Drive and De
Adalena Street.
RECOMMENDATION:
It is recommended that the City Council approve the Second Addendum to the 1999 Engineering and
Traffic Survey.
COUNCIL i"GENDA
MAY 2 3 2000
elf
1TEM No.
~WILLIDAN
Serving Publ Agencies
March 14, 2000
Mr. Frank G. Tripepi
City Manager
City of Rosemead
8838 E. Valley Boulevard
Rosemead, CA 91770
13191 Crossroads Parkway North, Suite 405
Industry, California 91746-3497
562/908-6200 fax 562/695-2120
wwm%vi l Idan.com
Subject: Engineering and Traffic Survey Addendum No. 2 - Mission Drive and De
Adalena Street
Dear Mr. Tripepi:
Enclosed are the findings of the engineering and traffic surveys for Mission Drive and
De Adalena Street. These surveys are to be included as an addendum to the
-Engineering-and Traffic.-Survey .passed-by-the-City- Council- on January -26, -1999. -A- -
summary of the findings is as follows: _
Mission Drive
Valley Boulevard to Rosemead Boulevard
85th percentile speed - 41 mph
3-year accident history accidents) - 8
Calculated Accident Rate (accidents/million vehicle miles) - 0.90
Average Accident Rate (accidents/million vehicle miles) - 1.55
• Rosemead Boulevard to Walnut Grove Avenue
85th percentile speed 40 mph
3-year accident history accidents) - 39
Calculated Accident Rate (accidents/million vehicle miles) - 0.78
Average Accident Rate (accidents/million vehicle miles) - 1.55
• Walnut Grove Avenue to West City Limits
85th percentile speed - 40 mph
3-year accident history accidents) - 9
Calculated Accident Rate (accidents/million vehicle miles) - 0.36
Average Accident Rate (accidents/million vehicle miles) - 1.55 -
March 14, 2000
Page 2
De Adalena Street
• Rosemead Boulevard to Ellis Lane
85th percentile speed - 37 mph
3-year accident history accidents) - 2
Calculated Accident Rate (accidents/million vehicle miles) - 3.05
Average Accident Rate (accidents/million vehicle miles) - 1.55
Based on the above findings and highway characteristics not readily apparent, the
following speed limits are recommended:
Mission Drive
• Valley Boulevard to Rosemead Boulevard - 40 mph
• Rosemead Boulevard to Walnut Grove Avenue - 40 mph
• Walnut Grove Avenue to West City Limits - 40 mph
De Adalena Street -
• Rosemead Boulevard to Ellis Lane - 25 mph
This addendum was conducted in accordance with applicable provisions of the
California Vehicle Code (CVC), following procedures outlined in the California
Department of Transportation (Caltrans) Traffic Manual. The addendum is intended to
satisfy the requirements-of Section 40802(b) of. the__CVC..to.enable_the continued-use of-
radar for traffic speed enforcement.
We appreciate the opportunity to serve the City of Rosemead on this matter.
Very truly yours,
WILLDAN POFESSIp49
2t GL
UFSZ
r rr C
No. 1683
i \ Exp (o•3D•E
h
Lew Gluesing, P.E. rT~ T~AFF\c
Manager T~OF CALIF°?
Traffic and Transportation Services
Enclosures
JIASS
10491\0307\L01
No. 45729
Exp.l2•~t.
CITY OF ROSEMEAD App. By:
ENGINEERING & TRAFFIC SURVEY (CVC SEC. 627) App. By:
App. By:
Street: Mission Drive between: Rosemead Blvd. and Valley Blvd.
Year of Survey
1993
1999
PART I: PREVAILING SPEED MEASUREMENT
Location of Survey
8074 Mission
E/O Encinta Ave.
Date of Survey
10/4/93
9/28/99
15%ile
50%ile
85%ile
32
37
41
-
36
41
10m h Pace %of Veh
31-40(80%)
34-43(77%)
Posted Limit (mph)
40m ph
40m ph
PART II: ACCIDENT RECORDS
Time Period Covered
1/1/90 - 12/31/92
7/1/97 - 6/30/99
Number of Mid-Block Accidents/Intersections
19 / 10
3/5
Accident
L.A. County Average
1.79 A/MVM
1.55 A/MVM
Rate
Calculated
1.55 A/MVM
90 A/MVM
C
ART III: HIGHWAY & ROADSIDE CHARACTERISTICS NOT READILY APPARENT
HIGHWAY:
Horizontal curve W/O
Horizontal curve W/O
Valley
Valley
Geometric, access
(driveways, intersection, other
TRAFFIC:
School crossing at
School crossing at
Rosemead and Newby-
Rosemead and Newby
Pedestrians, parking turnover,
school crossings
ROADSIDE:
School N/S, Park N/S;
School N/S, Park N/S;
Commercial and
Commercial and
Land uses not apparent
Residential S/S
Residential S/S
ark, school, etc.
COMMENTS:
PART IV: ADDITIONAL REMARKS
RECOMMENDATION
40 (mph)
40 (mph)
10491 \0307\MISC01.3.XLS
Traffic
Studies, Inc. (TSI)
MIS
SION DRIVE:
VALLEY BLVD TO ROSEMEAD BLVD
DIRECT
ION(S)...
BOTH
50TH PERCENTILE SPEED
.36
DATA COLLECTED
ON..
9/28/1999
85TH PERCENTILE SPEED
.
.41
BEGINN
ING
AT...
9:30
34 through
10-MPH PACE SPEED
43
POSTED
SPEED LIMIT.
40 MPH
PERCENT IN PACE SPEED 7
6.=
REPORT
DATE....
9/28/1999
PERCENT OVER PACE SPEED............
1.0
PERCENT UNDER PACE SPEED........... 2
2.5
CUM
RANGE OF SPEEDS .................28 to
MPH
NO.
PCT.
PCT.
SPEEDS OBSERVED
102
AVERAGE SPEED 3
6.4
0
0
0.0
0.0
1
0
0.0
0.0
CUMULATIVE PERCENT VS. SPEED (MPH)
2
0
0.0
0.0
3
0
0.0
0.0
100
*10
4
0
0.0
0.0
-
-
5
0
0.0
0.0
90
*
90
6
0
0.0
0.0
-
-
7
0
0.0
0.0
80
80
8
0
0.0
0.0
-
*
-
9
0
0.0
0.0
70
*
70
10
0
0.0
0.0
-
*
-
11
0
0.0
0.0
60
60
12
0
0.0
0.0
-
-
13
0
0.0
0.0
50
*
50
14
0
0.0
0.0
-
-
15
0
0.0
0.0
40
*
40
16
0'
0.0
0.0
-
-
17
0
0.0.
0.0
30
*
30
18
0
0.0
0.0
-
*
-
19
0
0.0
0.0
20
20
20--
0-
-0-.0
-0.-0
-
- - -
21
0
0.0
0.0
10
10
22
0
0.0
0.0
-
*
-
23
0
0.0
0.0
0*****
0
24
0
0.0
0.0
25
0
0.0
0.0
0
10 20 30 40-
26
0
0.0
0.0
27
0
0.0
0.0
28
2
2.0
2.0
29
3
2.9
4.9
PERCENT VS. SPEED (MPH)
30
4
3.9
8.8
31
3
2.9
11.8
15
15
32
5
--4.9
16.7
-
-
33
6
5.9
22.5
-
- -
-
34
10
9.8
32.4
-
-
35
8
7.8
40.2
-
-
36
11
10.8
51.0
10
10
37
13
12.7
63.7
-
-
38
7
6.9
70.6
-
-
39
6
5.9
76.5
-
-
40
7
6.9
83.3
-
-
41
4
3.9.
87.3
5
5
42
5
4.9
92.2
-
-
43 _
7
6.9
99.0-
-
-
44
1
1.0
100
-
-
45
0
0.0
100
46
0
0.0
100
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0.0
100
0
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CITY OF ROSEMEAD App. By:
ENGINEERING & TRAFFIC SURVEY (CVC SEC. 627) App. By:
By:
Street: Mission Drive between: Walnut Grove and Rosemead
Year of Survey
1993
1999
PART I: PREVAILING SPEED MEASUREMENT
Location of Survey
8714 Mission
8739 Mission
Date of Survey
10/4/93
9/28/99
15%ile
50%ile
85%ile
32
37
42
37
40
10m h Pace of Veh
33-42(77%)
32-41 87%
Posted Limit (mph)
40m ph
40m ph
PART Ik ACCIDENT RECORDS
Time Period Covered
1/1/90 - 12/31/92
7/1/97 - 6/30/99
Number of Mid-Block Accidents/Intersections
33 / 10
7/32
Accident
L.A. County Average
2.35 A/MVM
1.55 A/MVM
Rate
Calculated
1.55 A/MVM
.78 A/MVM
C
ART III: HIGHWAY & ROADSIDE CHARACTERISTICS NOT READILY APPARENT
HIGHWAY:
Geometric, access
(driveways, intersection, other
TRAFFIC:
School crossings at Ivar
Same
Avenueand-Rosemead--
- - -
Pedestrians, parking turnover,
Blvd.
school crossings
ROADSIDE:
Commercial and
Same
Residential
Land uses not apparent
ark, school, etc. -
COMMENTS:
PART IV: ADDITIONAL REMARKS
RECOMMENDATION
40 (mph)
40 (mph)
10491 \0307\MISC01.2.XLS
Traffic Studies, Inc. (TSI)
MISSION DRIVE: ROSEMEAD BLVD TO WALNUT GROVE AVE
DIRECTION(S).......
BOTH
50TH PERCENTILE SPEED .................37
DATA COLLECTED
ON..
9/28/1999
85TH PERCENTILE SPEED
.40
BEGINN
ING
AT...
10:45
10-MPH PACE SPEED 32 through
41
POSTED
SPEED LI
MIT.
40 MPH
PERCENT IN PACE SPEED 8
7.0
REPORT
DATE....
9/28/1999
PERCENT OVER PACE SPEED............
5.0
PERCENT UNDER PACE SPEED...........
8.0
CUM
RANGE OF SPEEDS .................28 to
43
MPH
NO.
PCT.
PCT.
SPEEDS OBSERVED
100
AVERAGE SPEED 3
6.5
0
0
0.0
0.0
-
1
0
0.0
0.0
CUMULATIVE PERCENT VS. SPEED (MPH)
-
2
0
0.0
0.0
-
3
0
0.0
0.0
100
*10
4
0
0.0
0.0
-
-
5
0
0.0
0.0
90
*
90
6
0
0.0
0.0
-
-
7
0
0.0
0.0
80
80
8
0
0.0
0.0
-
*
-
9
0
0.0
0.0
70
*
70
10
0
0.0
0.0
-
-
11
0
0.0
0.0
60
60
12
0
0.0
0.0
-
*
-
13
0
0.0
0.0
50
*
50
14
0
0.0
0.0
-
-
15
0
0.0
0.0
40
*
40
16
0
0.0
0.0
-
-
17
0
0.0
0.0
30
*
30-
18
0
0.0
0.0
-
-
19
0
0.0
0.0
20
*
20
- - - ---20
--0
0:0
-0.0
-
21
0
0.0
0.0
10
.10
22
0
0.0
0.0
-
*
-
23
0
0.0
0.0
0******************************
0
24
0
0.0
0.0
25
0
0.0
0.0
0
10 20 30 40
26
0
0.0
0.0
27
0
0.0
0.0
28
2
2.0
2.0
29
0
0.0
2.0
PERCENT VS. SPEED (MPH)
30
2
2.0
4.0
31
4
4.0
.8.0
15
15
32
3
3.0
11.0
-
-
33
9
9.0
20.0
-
-
34
10
10.0
30.0
-
-
35
10
10.0
40.0
36
9
9.0
49.0
10
10
37
_ 6
6.0
55.0
-
-
38
14
14.0
69.0
39
8
8.0
77.0
-
-
40
11
11.0
88.0
-
-
41
7
7.0
95.0
5
5 _
42
2
2.0
97.0
- - -
-
43
3
3.0
100
-
-
44
0
0.0.
100
_ 45
0
0.0
100
=
-
_ 46
0
0.0
100
>46
0
0.0
100
0
10 20 30 40
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CITY OF ROSEMEAD
ENGINEERING & TRAFFIC SURVEY (CVC SEC. 627)
Street: Mission between: West City Limits and
App. By:
App. By
App. By:
Walnut Grove Ave.
Year of Survey
1993
1999
PART I: PREVAILING SPEED MEASUREMENT
Location of Survey
8448 Mission
Mission
Date of Survey
10/12/93
9/28/99
15%ile
50%ile
85%ile
29
34
40
37
40
10m h Pace of Veh
29-38(65%)
32-41 86%
Posted Limit (mph)
40m ph
40m ph
PART II: ACCIDENT RECORDS
Time Period Covered
1/1/90 - 12/31/92
7/1/97 - 6/30/99
Number of Mid-Block Accidents/Intersections
12/4
2/7
Accident
L.A. Coun Average
1.55 A/MVM
1.55 A/MVM
Rate
Calculated
.87 A/MVM
.36 A/MVM
C
4RT III: HIGHWAY & ROADSIDE CHARACTERISTICS NOT READILY APPARENT
HIGHWAY:
Speed Limit in San
Same
Gabriel 35mph
Geometric, access
(driveways, intersection, other
TRAFFIC:
Pedestrians, parking turnover,
school crossings
ROADSIDE:
Park N/S, Residential
Same
Land uses not apparent
ark, school, etc.
COMMENTS:
PART IV:_ ADDITIONAL REMARKS
RECOMMENDATION
40 (mph)
40 (mph)
10491 \0307\MISC01.1.XLS
Traffic Studies, Inc. (TSI)
MISSION DRIVE: WALNUT GROVE AVE TO W. CITY LIMITS
DIRECTION
(S)..
BOTH
50TH PERCENTILE SPEED
.37
DATA COLLECTED
ON..
9/28/1999
85TH PERCENTILE SPEED
.40
BEGINNING
AT..
11:55
10-MPH PACE SPEED 32 through
41
POSTED
SPEED LIMIT.
40 MPH
PERCENT IN PACE SPEED 8
6.3
REPORT
DATE...
9/28/1999
PERCENT OVER PACE SPEED............
7.8
PERCENT UNDER PACE SPEED...........
5.9
CUM
RANGE OF SPEEDS .................30 to
44
MPH NO.
PCT.
PCT.
SPEEDS OBSERVED
102
AVERAGE SPEED .......................3
7.0
0
0
0.0
0.0
1
0
0.0
0.0
CUMULATIVE PERCENT VS. SPEED (MPH)
2
0
0.0
0.0
3
0
0.0
0.0
100
*10
4
0
0.0
0.0
-
*
-
5
0
0.0
0.0
90
*
90
6
0
0.0
0.0
-
*
-
7
0
0.0
0.0
80
80
8
0
0.0
0.0
-
-
9
0
0.0
0.0
70
*
70
10
0
0.0
0.0
-
*
-
11
0
0.0
0.0
60
60
12
0
0.0
0.0
-
*
-
13
0
0.0
0.0
50
*
50
14
0
0.0
0.0
-
-
15
0
0.0
0.0
40
40
16
0
0.0
0.0
-
*
-
17
0
0.0
0.0
30
30
18
0
0.0
0.0
-
*
-
19
0
0.0
0.0
20
20
20
0
0.0
0.0
-
*
2 - 1- -
-
0
0
--0..0
0
--o
.
10
*
10
22
0
0.0
0.0
-
-
23
0
0.0
0.0
0*****
0
24
0
0.0
0.0
25
0
0.0
0.0
0
1.0 20 30 40
26
0
0.0
0.0
27-
0
0.0
0.0
-
28
0
0.0
0.0
29
0
0.0
0.0
PERCENT VS. SPEED (MPH)
30
3
2.9
2.9
31
3
2.9
5.9
15
15
32
3
2.9
8.8
-
-
33
6
5.9
14.7
-
-
34
9
8.8
23.5
- -
-
35
12
11.8
35.3
-
- -
36
13
12.7
48.0
10
10
37
8
7.8
55.9
-
-
38
9
8.8.
64.7
-
-
39
7
6.9
71.6
-
-
40
15
14.7
86.3
-
_
-
41
6
5.9
92.2
5
5
42-
1
1.0
93.1
-
-
43
6
5.9
99.0
-
-
44
1
1.0
100
-
-
45
0
0.0
.100
-
-
46
0
0.0
100
>46
0
0.0
100
0
10 20 30 40
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CITY OF ROSEMEAD
ENGINEERING & TRAFFIC SURVEY (CVC SEC. 627)
Street: De Adalena Street
between: Rosemead Blvd.
and
App By'
App By.
App. By:
Ellis Lane
Year of Survey
N/A
2000
PART I: PREVAILING SPEED MEASUREMENT
Location of Survey
Mid-Block
Date of Radar Sample
2/1/00
15%ile
50%ile
85%ile
29
37
10mph Pace of Veh)
25-34 (71.4%)
Posted Limit (mph)
25 mph
PART II: ACCIDENT RECORDS
Time Period Covered
7/1/97 - 6/30/99
Number of Mid-Block Accidents/Intersections
2/0
A
id
t
L.A. County Average
1.55 A/MVM
cc
en
Rate
Calculated
3.05 A/MVM
C
kRT III: HIGHWAY & ROADSIDE CHARACTERISTICS NOT READILY APPARENT
N/A
High driveway access; no
HIGHWAY:
stripping; 39'8" AC w
Geometric, access
C&G
(driveways, intersection, other)
N/A
Moderate turnover
TRAFFIC:
Pedestrians, parking turnover,
school crossings
N/A
Residential, School
ROADSIDE:
Land uses not apparent
(park, school, etc.)
COMMENTS:
PART IV: ADDITIONAL REMARKS
No survey Available for
Speed limit reduced from
prior years
85%ile due to high
calculated accident rate.
RECOMMENDATION
(mph)
25 (mph)
10491 \0307\MISC01.4.XLS
Traffic Studies, Inc. (TSI)
DEADALENA: Rosemead To Ellis
DIRECTION(S)....... both
DATA COLLECTED ON.. 2/23/2000
BEGINNING AT....... 3:45
POSTED SPEED LIMIT.25 MPH
REPORT DATE........ 2/23/2000
CUM
MPH
NO.
PCT.
PCT.
0
0
-0.0
0.0
1
0
0.0
0.0
2
0
0.0
0.0
3
0
0.0
0.0
4
0
0.0
0.0
5
0
0.0
0.0
6
0
0.0
0.0
7
0
0.0
0.0
8
0
0.0
0.0
9
0
0.0
0.0
10
0
0.0
0.0
11
0
0.0
0.0
12
0
0.0
0.0
13
0
0.0
0.0
14
0
0.0
0.0
15
0
0.0
0.0
16
0
0.0
0.0
17
0
0.0
0.0
18
0
0.0
0.0
19
0
0.0
0.0
20
1
--1.6
1.6
21
_ 1
1.6
3.2
22
1
1.6
4.8
23
2
3.2
7.9
24
1
1.6
9.5
25
10
15.9
25.4
26
1
1.6
27.0
27
6
9.5
36.5
28
8
12.7
49.2
29
1
1.6
50.8
30
4
6.3
57.1
31
4.
6.3
63.5
32
5
.7.9
71.4
33
4
6.3
77.8
34
2
3.2
81.0
35
1
1.6
82.5
36
1
1.6
84.1
37
2
3.2
87.3
38
0
0.0
87.3
39
0
0.0
87.3
40
3
4.8
92:1
41
1
1.6
93.7
42
1
1.6
95.2
43
2
3.2
98.4
44
1
1.6
100
45
0
0.0
100
46
0
0.0
100
>46
0
0.0
100
50TH PERCENTILE SPEED .................29
85TH PERCENTILE SPEED .................37
10-MPH PACE SPEED 25 through 34
PERCENT IN PACE SPEED 71.4
PERCENT OVER PACE SPEED............ 19.0
PERCENT UNDER PACE SPEED........... 9.5
RANGE OF SPEEDS .................20 to 44
SPEEDS OBSERVED 63
AVERAGE SPEED .......................30.3
CUMULATIVE PERCENT VS. SPEED (MPH)
100 ****10
90 * 90
80 80
70 * 70
60 60
50 50
40 40
30 30
20 20
10 10
p********************* 0
0 10 20 30 40
PERCENT VS. SPEED (MPH)
15
10
5
0 10 20 30
- 6
40
15
10
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