HomeMy WebLinkAbout6.2 All-Way Stop at Intersection Of Penn Drive & King Way
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/ AGENDA STATEMENT
CITY COUNCIL MEETING DATE: April 7, 1998
SUBJECT: Public Hearing: All-Way Stop at the Intersection of
Penn Drive and King Way
Report prepared by: Lee S. Thompson, Public Works Director
EXHIBITS ATTACHED:
1)
2)
3)
4)
RECOMMENDATION: 1)
2)
~ 3)
\ 4)
FINANCIAL STATEMENT:
Resolution
Stop Sign Warrant Study by TJKM
Location Map
Petition Requesting Stop Sign
Open Public Hearing
Receive Staff Presentation and Public Testimony
Question Staff and Public
Close Public Hearing and Adopt Resolution Approving the
Installation of Stop Signs on Penn Drive at King Way
Cost of installing the stop sign and pavement markings is
approximately $300. This cost would be paid from the Street
Maintenance Operating Budget.
DESCRIPTION: Staff recently received a request to consider an all-way stop at the
intersection of Penn Drive and King Way. This intersection currently has a STOP sign on King Way and
an existing crosswalk on Penn Drive (see location map, Exhibit 3).
TJKM, the City's traffic engineering consultant, recently conducted a stop sign warrant study at this
intersection (Exhibit 2). A summary of the report is as follows:
This intersection has met the City's requirements for an all-way stop sign.
. The total intersection volume must be 300 or more vehicles per hour for the highest eight
hours of the day. This warrant was met with an average volume of 31 0 vehicles per hour.
. The volume of traffic approaching from the side street is required to be one-third (33 1/3%) of
the total volume. The side street volume on King Way was 35%.
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g:agenmisc/pennstop
COPIES TO: Dublin Unified School District
Sarah Schmidt, Wells Student
ITEM NO.
6.2
. The warrant for accidents (3 accidents per year for a residential area or 5 accidents per year for
a non-residential area of a type that could be corrected by installing stop signs) was not met as
no accidents have occurred at this intersection during the last three years.
. The warrant for sight distance requires that visibility be less than 150 feet in both directions on
the major street. The sight distance on Penn Drive is greater than 150 feet in both directions at
this intersection. Therefore, the sight distance warrant was not met.
Wells Middle School is located on Penn Drive just south of King Way. Queues of cars back up on Penn
Drive at King Way toward Amador Valley Boulevard due to poor circulation of traffic for loading and
unloading students.
Staff proposes to monitor the intersection after installation of the new stop sign for any traffic safety
problems. This monitoring will be conducted when school is open for a period of three to six months.
The poor circulation issue has been raised in the past and Staff has contacted Dublin Unified School
District proposing that the School District include a drop-off area as part of the new gymnasium
construction and/or provide school bus service to the students.
The School District was not in favor of the above recommendations.
Notices of this public hearing were mailed to residents near the Penn Drive and King Way intersection.
Staff recommends that the City Council conduct a public hearing and adopt the resolution approving the
installation of stop signs on Penn Drive at King Way.
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RESOLUTION NO. - 98
A RESOLUTION OF THE CITY COUNCIL
OF THE CITY OF DUBLIN
*********
APPROVING INSTALLATION OF STOP SIGNS ON PENN DRIVE
AT THE INTERSECTION OF KING WAY
The City Council of the City of Dublin hereby resolves as follows:
Section 1: pursuant to City of Dublin Municipal Code Section 6.04.070, and in the interest of
public safety, stop signs shall be erected at the following location:
Penn Drive, at the intersection of King Way
Section 2: Said stop sign location shall be added to Section 6.16.010 of the City of Dublin Traffic
Code.
PASSED, APPROVED AND ADOPTED this 7th day of April, 1998.
AYES:
NOES:
ABSENT:
ABSTAIN:
Mayor
ATTEST:
City Clerk
g:\agenmisc\resstop I
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UK/'1 TRR/EPORTHTION
Fax:510-463-3690
F20 0 '98 10:28
P.02
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~ Transportation Consultants
MEMO
February 6. 1998
Project No.: 157-001 Task 74
To:
Mr. Mehran Sepeh1ri
From:
Gordon Lum
Subject:
Penn Drive and King Way All-Way STOP Analysis
This memo is Lo presenL the results ofTJKM's analysis related to the request for
all-way STOP sign control at thc intcrscction of Penn Drive/King Way in the City of
Dublin.
Background
Traffic Volumes
(Warrant 1)
'\
Traffic Accidents
(Warrant 2)
This intersection is a T-intersection >lith King Way
terminating at Penn Drive. Penn Drive runs generally in
the north-south direction and is considered the "major
streeL", while King Way mIlS generally in the east-west
direction and is considered the "minor street", The
intersection currently operates with STOP sign control on
King Way and no control on Penn Drive, Wells Middle
School is located on the west side of Penn Drive opposite of
King Way.
The need [or all-way STOP sign control at the intersection
was evaluated bascd on the City of Dublin's warrants for
all-way STOP sign installation. as summCL.'ized in Tables I-
ll.. J-I3. and I-C.
Satisfied: TJKM conducted 24-hour machine traffic volume
and pedestrian counts at the intersection; the eight highest
hours are summarized in Table II. Compared to the
warrants (Table I-A). the average of the highest eight hours
satisfies the vol1.rme requirement (310 existing versus the
300 required). The average hourly volume of 310 consists
of 270 vehicles CL."1d 40 pedestrians. Therefore, this
warrant is satisfied largely because of the significant
number of"vlells Middle School students crossing Penn
Drive at King Way.
Not Satisfied: T.TEM investigated City of Dublin accident
records for the three-year period between December 1.
1994 and November 30, 1997. During this period. there
were no renorted accidents at the intersection, Therefore,
Lhis warr~t is not met because it requires five correctable
accidents witJo..io."1 a single year.
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4::3~ }-bcicno.!. Drive. Suit::: 101. pJcg:l.ntor.. C::.lifornia 94:'H-272l. (510) 46"
TJi<11 TRAI~SP02TrlTIW
Mr. Mehra.I1 Sepehri
Sight Distance
[Warrant 3J
Residential Area
[Warrant 4J
Recommendations
Fax:510-~63-3690
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Page 2
February 6. 1998
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Not Satisfied: The sight dist.ance along Penn Drive v;.<lS
measured for both directions. The intersection sight
distance for both directions along Penn Drive were
measured to be greater tp.an 150 feet using the
methodology described in Caltrans' Highway Design
Manual. To meet this warrant. the sight distance must be
less than 150 feet for at least one of the directions on the
major street Thus, this warrant is not satisfied.
Not Satisfied: Existing conditions at the intersection do
not satisfy the City'S residential area warrants (see Table I-
E). Penn Drive 1s l1sLed in the Traffic Code as an adopted
through street and is wider than 40 feet. Since the
residential area wa.,.-rants were not met, the volume and
accident criteria used for City Warrants No. 1 and No.2
were taken from the non-residential column of Table I-A
and are indicated in bold type.
The intersection of Penn Drive and King Way satisfies the
traffic volume warrant. Hence, the installation of all-way
STOP is recommended at this intersection. All-way STOP
signs will help to assign the right-of-way at this
intersection, which has heavy pedestrian volumes due to its
proximity to Wells Middle Schoo1.
Between December 15 and 18, 1997, counters were
installed on Penn Drive to measure Ule speed of vehicles
approaching King Way from both directions. The 85"'
percentile speed was 30 mph in the northbound direction
and 28 mpl1 in the southbound direction. The 85'"
percentile speed is that speed at or below which 85 percent
of the recorded vehicles are travelling. The 85'" percentile
speeds recorded on Penn Drive are reasonable for a
residential street.
Currently, there are "SLOW SCHOOL XING" pavement
legends on both approaches on Penn Drive at King Way.
These pavement legends will need to be removed when the
STOP si::ns are installed.
;3<1'-1 TF<Ar~SPG~TATIO!~
Fax:510-463-3690
Fab 6 '98 10:30
P.04
~". ;,1ehran Sepehri
Page 3
February 6. 1998
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Warrant Measurement Required Measured Met?
1 Hourly volume (vehicles & peds) non- Res.
entering intersection. averaged res.
over highest 8 hour period. (vph)
4-way j 350 /210
3-way 300 180 310 Yes
________________R__~____________ ------- -------------- ----------------
Minor Street (vehicle plus 33% 35% Yes
pedestrian) proportion of 8-hour
emertng volume
Warrant 1 Met? (both parts need to be satisfied] Yes
2 Correctable accidenrs; in 12-month non~ Res.
period res
5 3 0 No
I 3 I Visibility (in feet] in both <150 BE >150' No
directions on Major Street WE >150'
Table I-A
All-Way Stop Sign Warrant Analysis
For
Penn Drive/King Way
Table I-B
Warrant 4 - Residential .Area
I 30th streets residential. "-ith existing 25 mph speed limits?
,
,
I Neirner street an adopted TI1rough street?
! Keither street exceeds 40 feet of roadtlo-ay "-idth?
I
I No existing STOP sign/signal within 600 feet?
!
i Streets extend at least 600 feet away from the intersection?
~ Proposed i'll-Way STOP is compatible w;t.h area's circulation needs?
Ii Residential Area Warrant Met? (all six criteria must be satisfied)
Yes
No
No
Yes
Yes
Yes
No
TJK/'1 T?RI,SPORTRTIOI,
Fax:510-463-369J
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!\er. Me:hran Sepehri
P2.ge 4
Fehmary 6, 1998
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Table II
Highest Hourly Volumes at Penn Drive and King Way
Hour Penn Drive . King Way Total
Beginning NB SB WB WB/EB Volume
Veh. Veh. Veh. Ped.
7:00 AM. 84 183 113 76 456
8:00 A.M. 109 178 88 116 491
2:00 P.M. 88 90 50 100 328
3:00 P.M, 75 141 63 28 307
4:00 P.M, 48 85 41 N/A 174
5:00 P.M. 50 97 68 N/A 215
6:00 P.M. 36 94 64 N/A 194
7:00 P.M. 83 178 52 N/A 313
Total for S hours 573 1,046 539 320 2,478
Average per hour 72 131 67 40 310
Nolt:: Vchicle count!; werc taken Wednesday. December 17. 1997.
Pe.destrian counts wue done 7:45am-8:30am & 2:30pm.3: 15pm on 12/17/97.
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EXHiBiT 4. ,
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, Dear ieacner,
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I'm sending a lener to the mayor to try to get in some stop signs around Wells.
Would you please send around a sheet of paper for the students to sign? The more
signatures the bener. Would you please include your own signature? Please? I really need
everyone's help.
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Sincerely,
Sarah Schmidt
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