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HomeMy WebLinkAboutAgenda Report - April 20, 1988 (85)Q Q 4t/t ORS`. PUBLICCITY OF LODI WORKS. . . TO: FROM MEETING DATE City Council City Manager April 20, 1988 COUNCIL COMMUNICATION AGENDA TITLE: Traffic Studies - Discussion and Appropriate Action a) Hen Lane and Kirkwood Drive, Intersection Study b) Oxford Nay and Tejon Street at Lower Sacramento Frontage Road, Intersect; on Study c) School Street at Vine Street, Before and After Study RECOMMENDED ACTION: That the City Council review the individual items listed below and adopt the appropriate resolutions. Based on the City's Intersection Control Guidelines and a safe approach study, a yield sign is justified on Kirkwood Drive at Flam Lane. However, staff recommends installing a stop sign. The majority of Lodi's four lane streets with traffic volumes greater than 2,000 vehicles per day are designated as through streets. The minor streets intersecting with through streets are controlled by stop signs. Staff feels a stop sign is more appropriate when the minor street intersects with a four -lane street. APPROVED: —4 � _ FILE N0. THM4AS A. PETERSON. City Manaaer CTRAFFI2/TXTW.02M I tem Recommended Action a) Hm Lane and Kirkwood Drive Approve the installation of a stop sign on Kirkwood Drive at Hen Lane and adopt resolution amending the Traffic Resolution (see Exhibit A) b) Oxford Way and Tejon Street Approve two-way stop signs on Lower at Lower Sacramento Frontage Roa( Sacramento Frontage Roads at Oxford Way and Tejon Street and adopt resolution amending the Traffic Resolution (see Exhibit B) c) School Street at Vine Street None; information only BACKGROUND INFORMATION; a) Hen Lane and Kirkwood Drive - In response to a citizen request for a stop sign on Kirkwood Drive at H rn Lane, staff performed an intersection study. Currently, there are no controls at this intersection. Staff reviewed traffic counts and accident records and performed a safe approach study. There have been two accidents in the past three years; none i n 1385, one i n 1986, and one in 1987. Ham Lane and Kirkwood Drive have approximately 3,000 and 400 vehicles per day, respectively. Based on the City's Intersection Control Guidelines and a safe approach study, a yield sign is justified on Kirkwood Drive at Flam Lane. However, staff recommends installing a stop sign. The majority of Lodi's four lane streets with traffic volumes greater than 2,000 vehicles per day are designated as through streets. The minor streets intersecting with through streets are controlled by stop signs. Staff feels a stop sign is more appropriate when the minor street intersects with a four -lane street. APPROVED: —4 � _ FILE N0. THM4AS A. PETERSON. City Manaaer CTRAFFI2/TXTW.02M April 12, 1988 City Coun i 1 April 20, 1988 Page 2 Staff is also concerned about the students crossing Ham Lane in the school crosswalk south of Kirkwood Drive and the motorists turning right from Kirkwood Drive. The resident requesting the stop sign resides at the corner of Kirkwood Drive and Ham Lane. She has witnessed "near -misses" between pedestrians crossing Ham I -ane and residents turning right from Kirkwood Drive. Staff feels a stop sign will improve this situation. b) Oxford Way and Tejon Street at Lower Sacramento Frontage Road - In reviewing the future Parkview Terrace access OR Lower Sacramento Frontage Road, staff felt some type of control was needed at the Lower Sacramento Frontage Road and Oxford Way intersection. Nearly all of the City's four-way intersections are controlled by stop or yield signs. Staff f 1 t it is appropriate to install stop signs rather than yield signs due to the close proximity and high speed traffic of Lower Sacramento Road. There has not been an accident problem at this intersection. Lower Sacramento Frontage Road and Oxford Way have daily traffic volumes of 100 and 650 vehicles per day, respectively. Similarly, staff felt two-way stop signs on Lower Sacramento Frontage Road at Tejcn Street are appropriate. There have been no accidents in 1985, 1986 and 1987. Lower Sacramento Frontage Road and Tejon Street have traffic volumes of 100 and 550 vehicles per day, respectively. c) School Street at Vine Street - See attached memo. Jack . Ronsko Publi Works Director JLR/PJF/ma Attachments cc: Street Superintendent Police Chief Mrs. Baker CTRAFFI2/TXTW.02M April 12; 1988 r,4+oto � Q CITY OF LODI PUBLIC WORKS• • TMENT Exhi bl t A PAH LM AND Kt P,�_WCCD Dom, ' ZAFFiG 60N-rKoi MGKELUMNE RIVE \ 100 1 � O� L a a 91rcnuooG � �� Kaoleuooq :>0o S`°gauOO "RECOMHEN DE�Q'° TO P 5100 a LODZ S � � > Niavale Ad. 8 o� o LAKE' < Kirk+:000 Cr.o willow glen e 8 C'.> t TUgNER, RD <g ,too --/ 1000 .00 .00 we _ 30° — _ iao0 i i8 i 8 } „ i 1i Palm ► Av. > /.y t.ake Hnme or. •,,� a t Av. Y a c > Eureka 1 Y 1S ism �� Hason St. $ { 0 { } t { Al A Louie Av. A . "W ~Oily 0813y AV. v .' v { Bel Air Ct. y < F4113 Av. $ c g L 800 860 0 u e V J 1 S S \ ¢ { Short Av. i Forrest Lake St. } Lake St. V \/ y i > JAyers AV. v AYera AY. \ .aa 0313Y AV. o � Robert Sto o w 8 a o • i ly Cr �` ` i Ct. L = o Reiman St. Olive Lette St. 3 Laoo IS Graffigna AV. • N Graffl 2 —q Ct. Ona AVI. 2 L E G E N D V —YIELD SIGN (R1-2) — —STOP SIGN (RI) 0 —TRAFFIC SIGNAL '1b co., ts t�rc, _"KEFORD —.0.'0p wo ST _ I MarlDOaa Ny, I Carlo wy V —J —1 .00—} CITY OF LOD PUBLIC WORKS DEPARTMENT TUIZNEK P-2 i LAVEK 5AGKAMaKTO I FKCO TA(16 KDAD TAFF IG GONTR©L_S ` ,izc I e I zwa 1 1a°o Z X_ 9 1 Lao a cIr 0 I ) \ LAK :XD 3 Z -WAY �! STGP 5l6N5 { t°'°° St �' •i `6 G s 31orc 1��. • w x o < > 0 0 $ Q I Lake St a p o� c w ¢ Y j _W zsoe {Ayers Av. o X 1 8 ToC w`wY• »oo `} S Q iAWai rv°00 Cr. ynita CDK a U e G(§ 1 { �. x8 0 °�Cottonvdod CrI PAs,..00d �. 0 : i` z7o0 H f ( >aoo Yolea2ta Cr. Poo uoo o • z o 2q m «+ = e m yy C ! 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BACKGROUND INFOPWATION: In September 1987, City Council received a petition from a School Street neighborhood regardinq speed problems on School Street near Vine Street. City Council directed staff to perform a traffic study on School Street. Staff's study included 24-hour vehicle counts, radar speed surveys, a four-way stop control study, and an accident review at School Street and Vine Street. The requested four-way stop at School Street and Vine Street did not meet the warrants. Staff's study concluded the primary solution to speed problems is enforcement and suggested the Police Department continue enforcement on School Street. The City Council voted to install four-way stop signs at School Street and Vine Street. Staff indicated to the City Council that there were studies that showed installing stop signs may actually increase speed. At the request of the City Council, staff sent the Council the attached rmm dated November 9, 1987 transmitting the studies and stop sign installation versus speed. Under the November 9, 1987 memo, the Public Works Department shared with the Council that we would be pc -forming a "before" and "after" speed study on School Street. Radar surveys were performed in October 1987, one day before four-way stop signs were installed. These results were compared with recent radar surveys. The Public Works Department recently performed a radar study on the same day of the week and in the same time frame as the work done last October. The 85th percentile speed increased by 1-2 mph after the installation of stop signs. The following table presents the radar speed results: School Street N/Vine Street S/Vine Street Direction Before Aftel Refore After NB 32 33 33 35 SB 32 34 36 37 APPROVED: � / -1 FILE NO. O4MAS PETER ON City Manager CTRAFFI3/TXTW.02M April 13, 1988 City Council April 20, 1988 Page 2 The traffic volumes on School Street have decreased. in September, the daily traffic volume on School Street north of Vine Street was 1,910 vehicles per day. A recent count of 1,690 vehicles per day was taken at the same location. Staff feels this could be due to seasonal variation or vehicles have re-routed to other streets due to the inconvenience of stop signs. The Council should be aware that stop signs do not If City Council desires to reduce speeds on School should be given to removing the School Street stop enforcement. �p s Jack L. Ronsko Publ, Works Director JLR/PJFjma Attachments cc: Street Superintendent Police Chief Richard Mul lins necessarily reduce -speed. Street, consideration signs and increasing CTRAFF13JTXTW.02M April 13, 1988 MEtAORAP;C v1, City of Lodi , Public Works Department TO: City Manager City Council FROM: Public Works Director DATE: November 9, 1987 SUBJECT: Studies Related to Unwarranted Stop Sign Installations At the request of the City Council at the October 21, 1987 meeting, )Ae are providing the f o l l owing attachments: 1. Automobile Club study showing that unneeded stop signs have a major affect on the traveling public in the area of wasted hours, dollars, gasoline, and safety. 2. City of El Monte study showing that stop signs have a questionable value as a speed control measure and that their unwarranted installation has a financial impact on the motoring public. 3. City of La Mirada study showing that vehicle speeds do not change after the installation of regulatory speed signs, nor after the installation of stop signs. Stop signs only slow traffic at the stop sign location and vehicles are back to normal speed within a few hundred feet from the stop sign. Stop signs d& fi-e+ reduce mid -block vehicle speeds. In fact, it was found that vehicle speeds actually increased slightly. 4. Article from Traffic Engineering magazine entitled "Stop Signs for Speed Control?". This study points out that the Manual on Uniform Traffic Control Devices for" Streets and Highways clearly states that stop signs should not be installed for speed control. This study also shows that the difference in average speeds is not significant after installation of stop signs, but speeds do increase slightly. It also indicated that unwarranted stop signs installed for speed control are generally disregarded by approximately one-half of the motorists (i .e. , making only a rolling stop). 5. Publication of the Western District Institute of Transportation Engineers entitled "Lee Street; A Twelve -Year Case History of Residential Street Traffic Management Problems". This study indicated that for unwarranted stop signs, only 14.5%of the drivers came to a complete stop. The study showed there is little effect on vehicle speed other than in the immediate vicinity of the stop sign controls. It also pointed out that the installation of stop signs had no effect on intersection accidents. The final action of the Lakewood, Colorado City Council was to remove all the unwarranted stop signs. City Manager, et al . November 9, 1987 Page 2 Prior to the installation of the stop signs at School and Vine Streets, directed the Traffic Engineering personnel to do additional radar speed studies north and south of the new Stop sign installation. In three to four months, xNe will bring back to the City Council the School Street before and after traffic data results. The Public Works staff feels that additional emphasis should be placed on effects on the motoring public when stop signs are ins -called. Unwarranted stop signs waste time and energy, cause air and noise pollution, and most import -cantly, encourage noncompliance. This increases the hazard to pedestrians, bicyclists, and the motoring public. In addition, it is felt that this noncompliance can be habit-forming and increase the City-wide safety problem rather than decrease it. v� Nj C c L. Ronsko bl 'c. Works Dir�ettor JLR/ma Attachments cc: City Attorney Pol i c e Chief bcc: Public Works Director todi News Sentinel a ,,..`'��b�`� ".,!"'�' x:;Mn.in6.y'�SQ°arerz�s-�'� ......,.. "si f.�'„�.�'�•ir� F ��+sc5'�`"��� " ��„E�'Ral��.�^x^`�,�,^ .�'�a d',�n.�'''.�z ;iia RESOLUTION NO. 88-55 RESOLUTION APPROVING THE INSTALLATIOM OF A "STOP" SIGN ON KIRKWOOD DRIVE AND TWO-WAY "STOP" SIGNS ON 1-01,tER SACRAMENTO FRONTAGE ROAD AT OXFORD WAY AND TEJON STREET RESOLVED, teat the City Council of the City of Lodi does hereby approve the installation of a "stop" sign on Kirkwood Drive at Han Lane as shown on the attached Exhibit A, and the installation of two-way "stop" signs on Lower Sacramento Frontage Roads at Oxford Way and Tejon Street as shown on the attached Exhibit B. Dated : April 20, 1988 I hereby certify that Resolution No. 88-55 was passed and adopted by the City Council of tke City of Lodi in a regular meeting held April 20, 1988, by the following vote: Ayes: Councilmembers - Hinchrnan, Olson, Pinkerton, Reid, and Snider Noes: Counci lrnembers - None Absent: None ALICE M. REI'MCHE City Clerk 88-55 -1 CITY ®F LODI PUBLIC WORKS DEPARTMENT HAM LN AND Kt RY-Mcm vR. 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RESOLUTION NO. 88-56 RESOLUTION AMENDING RESOLUTIOR NO. 87-163 ENTITLED "TRAFFIC RESOLUTION' RESOLVED, that the City Council of the City of Lodi does hereby apprcve the following amendments to Resolution No. 87-163: That Section 2-C-2, entitled "Tim -Way and One -Way Stop intersections", be revised by adding the following: "Ki rkuood Drive stops at F ni Lane Lower Sacramento Frontage Road stops at Oxford Way Lower Sacramento Frontage Road stops at Tejon Street" Dated : April 20, 1988 I hereby certify that Resolution No. 88-56 was passed and adopted by the City Council of the City of Lodi in a regular meeting held April 20, 1988, by the following vote: Ayes: Councilmembers - Hinchman, Olson, Pinkerton, Reid, and Snider Noes: Councilmembers - None Absent: None ALICE M. REiMCHE City Clerk 88-56