CC - Item 4G - Request for Stop Signs and Rio Hondo at Marshall St. J�_
stat
feport
TO: HONORABLE MAYOR
AND MEMBERS
ROSEMEAD CITY COUNCIL
FROM: FRANK G. TRIPEPI, CITY MANAGER
DATE: MARCH 23, 1999
SUBJECT: REQUEST FOR STOPS SIGNS ON RIO HONDO AT MARSHALL STREET
DISCUSSION
Upon the request of Traffic Commissioner Victor Ruiz, staff reviewed the installation of stop signs
on Rio Hondo at Marshall Street. This request was previously reviewed by the Traffic Commission
in May and June of 1994. At that time, the request was not recommended by staff due to the traffic
volumes not satisfying CalTrans guidelines. The current analysis of the intersection includes reported
accident records, traffic count, pedestrian count, and multi-way stop warrants. Based on this analysis,
staff recommends the installation of stop signs on Rio Hondo Avenue at Marshall Street. Staff
further recommends that the appropriate advance warning signs for the proposed stop signs be
installed.
On March 4, 1999, the Traffic Commission voted 5-0 to approve the staff recommendation for the
installation of stop signs on Rio Hondo Avenue at Marshall Street.
RECOMMENDATION
It is recommended that the City Council APPROVE the staff recommendation to install stop signs
on Rio Hondo Avenue at Marshall Street, in addition with the installation of appropriate advance
warning signs for the proposed stop signs.
EXHIBITS: COUNCIL. AGENDA
A. Traffic Commission Staff Report,dated February 22, 1999
B. Figure t NAR 2 31999
C. Multi-Way Stop Sign Warrants
ITEM No. - •�e--
TO: HONORABLE CHAIRMAN
AND MEMBERS
ROSEMEAD TRAFFIC COMMISSION
FROM: JOANNE ITAGAKI, TRAFFIC ENGINEERING DEPUTY
DATE: FEBRUARY 22, 1999 ��\\
RE: REQUEST FOR STOP SIGNS ON RIO HONDO AVENUE AT
MARSHALL STREET
REQUEST
Traffic Commissioner Ruiz requested staff to review the intersection of Rio
Hondo Avenue and Marshall Street for the installation of STOP signs. A similar
request was reviewed by the Traffic Commission in May and June of 1994. At
that time, the staff did not recommend the installation of STOP signs due to the
traffic volumes not satisfying Caltrans guidelines.
CONDITIONS
Rio Hondo Avenue is a 40-foot wide north/south roadway with residential uses
fronting the street. A yellow skip stripe exists on the centerline of the roadway.
The posted speed limit is 30 mph. However, Savannah Elementary School is
located on the east side of Rio Hondo Avenue and therefore, the speed limit,
when children are present, is 25 mph. Rio Hondo Avenue is posted with the 25-
mph signs when children are present.
Marshall Street is a 40-foot wide east/west roadway with residential uses fronting
the street. A yellow skip stripe exists on the centerline of the roadway. The
posted speed limit is 35 mph.
The eastern terminus of Marshall Street intersects Rio Hondo Avenue forming a
T-intersection. Marshall Street is STOP controlled at the intersection. There is a
yellow crosswalk on the north leg of the intersection. Advance school crosswalk
signs and pavement legends are on Rio Hondo Avenue prior to Marshall Street
in each direction.
Figure 1 depicts existing conditions at the intersection of Rio Hondo Avenue and
Marshall Street.
DATA
A review of the City's reported accident records from January 1, 1996 through
June 30, 1998 was conducted. During this period, two accidents were reported
EXHIBIT "A"
Request for STOP signs on Rio Hondo Avenue
at Marshall Street
Page 2
at the intersection of Rio Hondo Avenue and Marshall Street. These accidents
are summarized below:
Description Time & Date
1. Eastbound vehicle ran off the road 10:35 p.m. & 6/28/98
and hit a fixed object (Unsafe speed).
2. Eastbound vehicle turning left 7:30 a.m. & 6/13/97
broadsided a northbound vehicle
proceeding straight (Right-of-way
automobile). •
Traffic count data was collected at the intersection during a normal school day.
Pedestrian counts were also collected at the intersection between 7:15-8:30 a.m.
and 1:45-3:00 p.m. The following is a summary of these counts:
24-hour AM Peak PM Peak
Rio Hondo Avenue (Northbound) 1,016 118 (7-8) 74 (2-3)
Rio Hondo Avenue (Southbound) 3,028 377 (8-9) 255 (2-3)
Marshall Street (Westbound) 3,255 175 (11-12) 427 (5-6)
DISCUSSION
The Caltrans Traffic Manual outlines the guidelines for the installation of multi-
way STOP signs. These guidelines analyze the intersection's accident history,
traffic volumes, pedestrian volumes and delay experienced by the side street.
Attached is a summary sheet revealing the specific guidelines from the Caltrans
Traffic Manual and determining the need for STOP signs at the intersection of
Rio Hondo Avenue and Marshall Street.
For the intersection of Rio Hondo Avenue and Marshall Street, the summary
sheet reveals the accident guideline is not satisfied with only one correctable
accident occurring in the 2-1/2 years reviewed. The minimum traffic volume
guidelines are satisfied with the total vehicular volume entering the intersection
averaging greater than 500 vehicles per hour and the minor street volume
(vehicles and pedestrians) averaging greater than 200 units per hour.
RECOMMENDATION
Based on the analysis of the intersection, the installation of STOP signs on Rio
Hondo Avenue at Marshall Street is recommended. It is further recommended
that the appropriate advance warning signs for the proposed STOP signs be
installed. Figure 1 depicts the recommendations of this report.
Attachments 066vmRsd\Rio Hondo&Marsnall
Install R1 Install white
STOP
. -1$
sin and
/ legend as
gshown.
post. \ ; Ael, I
dOIS i STOP
Not to Sale
C
r
Yellow school -
A Q
crosswalk.
Z3
o C
0
1 1
I Install 0
c � I white limit p/
of I line.
V
Marshall Street
il STOP \
I Install R1
STOP
Install white sign and
legend as post.
shown.
40'
Figure 1
JhRsdRioFionclo&Marshall Rio Hondo Avenue
and Marshall Street
FYI-TWIT "B"
DI% CITY OF ROSEMEAD
MULTI-WAY STOP SIGN WARRANTS
(FROM CALTRANS/ TRAFFIC MANUAL)
o Tf
LOCATION: .1cr�on �4�^nu / Mare it 51- ed DATE: Z/ZI/Q5
The installation of multi-way STOP signs are based on the following:
1. Where traffic signals are warranted and urgently needed, the multi-way
STOP may be an interim measure that can be installed quickly to control
traffic while arrangements are being made for the signal installation.
Satisfied.: Yes m
2. An accident problem, as indicated by five or more reported accidents within .
a 12 month period of a type susceptible to correction by a multi-way STOP
installation. Such accidents include right- and left-turn, 1collisions as well as
right-angle collisions. (one Corca
rCd-able cc4en-I)
Satisfied: Yes No
3. Minimum traffic volumes:
(a) The total vehicular volume entering the intersection from all
approaches must average at least 500 vehicles per hour for any 8
hours of an average day, and
Satisfied: Yes No
(b) The combined vehicular and pedestrian volume from the minor
street or highway must average at least 200 units per hour for the
same 8 hours, with an average delay to minor street vehicular
traffic of at least 30 seconds per vehicle during the maximum hour,
but (att.,/ es4;"ir4 c+ 15 _e.lvc4.'
Satisfied: e No
(c) When the 85-percentile approach speed of the major street traffic
exceeds 40 miles per hour, the minimum vehicular volume warrant
is 70 percent of the above requirements.
•
Satisfied: Yes No
VOLUME WORKSHEET
Guideline �,6ef'` ot- 2� 4+ act �� � e'�
A �' ti m V 6 6
(a) Total Volume 500 (350) 1535 I Eco I bn41 5Z9I 501.1 589 Ilio 164"7 I
(b) Combined Volume 200 (140) 1116 1149 I tt5 11Ba I2SCI 341`142.1*I5C?*1
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