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HomeMy WebLinkAboutTSC Report6 NATIONAL CITY TRAFFIC SAFETY COMMITTEE AGENDA REPORT FOR SEPTEMBER 11, 2013 r ITEM NO. 2013-19 ITEM TITLE: REQUEST FOR INSTALLATION OF ALL -WAY STOP CONTROL WITH CROSSWALKS AT THE INTERSECTION OF BRISBANE STREET & COMMERCIAL DRIVEWAYS LOCATED AT SOUTH BAY MARKETPLACE, JUST WEST OF N. 47 AVENUE (BY CITY ENGINEER) PREPARED BY: Stephen Manganiello, City Engineer DISCUSSION: In 2012, Frank Rivera, Principal Levu Engineer at tree City of Chula Vista, contacted Stephen Manganiello, City Engineer for National City, regarding safety concerns along a short segment of Brisbane Street just west of N. 4th Avenue (transitions to Highland Avenue to the north), within South Bay Marketplace. The eastern portion of this segment is within Chula Vista's jurisdiction, while the western portion is within National City (see attached as -built plan sheet). Mr. Rivera was responding to safety issues reported by Chula Vista's Police Department regarding pedestrians standing on the narrow median along Brisbane St. The City of Chula Vista contracted with Kenney Engineering to perform a traffic analysis. See attached traffic study dated June 3, 2013. The recommendations, which are supported by both Mr. Rivera and Mr. Manganiello, are as follows: 1) Remove the easterly portion of the median along Brisbane Street (located in the City of Chula Vista) and replace with a striped median to discourage pedestrians from crossing and/or standing in the center of the street. 2) Install All -Way Stop Control at the intersection of Brisbane Street and Commercial Driveways (located immediately to the west in the City of National City) to provide safe access for pedestrians — currently, the intersection is Stop controlled for the Commercial Driveways on the north and south legs and uncontrolled for Brisbane Street on the east and west legs. STAFF RECOMMENDATION: Staff recommends installation of All -Way Stop Control with crosswalks at the intersection of Brisbane Street and Commerciai Driveways located at South Bay Marketpiace, just west of N. 4th Avenue. EXHIBITS: 1. Location Map 2. As -built Plan Sheet 3. Photos 4. 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'AS -BUILT' PS- no- {PRIMED mop cesrn/f ex p4sh� rass_� '� +I� OC✓eh I C.,�.m 3. P161 Ajwn tom TasiA.CPsP eYJ., G.-AfAD 6a. PROM tt•t, Aa _ysa T P L.kr SW 6 f NATIONAL CITY 'LB Y-IS•47e Mal SINE. .19. 4 ... .faatamlifali 763-0 w.o. No. PC— 1066 CITY OF CHULA VISTA BneisepeEP+muec NORTH 4TH AVENUE AND WA. -MART ACCESS RD. 45-378 s.r ix 1D .tL ..9a aG t=1-01.) Intersection of Brisbane St and Commercial Driveways (looking east) Intersection of Brisbane St and Commercial Driveways (looking east) Intersection of Brisbane St and Commercial Driveways (looking north) Intersection of Brisbane St and Commercial Driveways (looking south) J KENNEY ENGINEERING .tune 3, 2013 Mr. Francisco X. Rivera, P.E., '1',E. Principal Civil Engineer City of Chula Vista Public Works — Engineering 276 Fourth Ave. M.S. E-100 Chula Vista, Ca. 91910 SUBJECT; Traffic Analysis for South Bay Marketplace Intersections Dear Mr. Rivera, We have prepared this Traffic Analysis to address the following two elements. 1. The existing intersection of Brisbane Street and the commercial driveways (located approximately 300-feet west of North 4th Avenue) 2. Median modifications to discourage vendors and pan -handlers from occupying the raised median located on the west leg of the Brisbane & North 4th Avenue intersection. Brisbane Street & Commercial Driveway Intersection: Brisbane Street, west of North 4th Avenue is located in a private access easement and is improved as a four -lane street with a two -foot wide raised median and sidewalks between North 4th Avenue and the commercial driveway. Brisbane Street traffic is free -flowing with a posted speed limit of 15 MPH on the west side of North 4th Avenue. The commercial driveways are "stop" controlled with signs and pavement markings. Currently there are pedestrian ramps at the east quadrants of the intersection with no crosswalks. During peak traffic periods, drivers trying to access or cross Brisbane Street from the commercial driveways are experiencing long delays. Also, pedestrians currently have no positive direction to cross Brisbane Avenue. TRAFFIC ANALYSIS: Stop Sign Warrant Analysis Based on the 2012 California Manual on Uniform Traffic Control Devices (CA MUTCD), section 2B.07 "Multi -Way Stop Applications", Section C defines the Minimum Volumes as follows: 1. The vehicular volume entering the intersection from the major street approaches (total of both approaches) averages at least 300 vehicles per hour for any 8 hours of an average day; and 6151 Madeline Street San Diego, CA 92115 p (619) 840-3090 www.kenneyengineering.com K KENNEY ENGINEERING 2. The combined vehicular, pedestrian, and bicycle volume entering the intersection from the minor street approaches (total of both approaches) averages at least 200 units per hour for the same 8 hours, with an average delay to minor -street traffic of at least 30 seconds per vehicle during the highest hour; but 3. If the 85th percentile approach speed of the major -street traffic exceeds 40 MPII, the minimum vehicular volume warrants are 70 percent of the values provided in Items 1 and 2. Traffic counts were performed Wednesday March 7th through Friday March 9th, 2012 to determine the 8- hour volumes entering the intersection. Note that the 85th percentile approach speeds do not exceed 40 MPH. Count sheets are included in Appendix A. Review of the count data reveals that this intersection meets the above Minimum Volumes for a 12 hour period — between 9:00 AM and 9:00 PM. Intersection LOS Level of Service (LOS) calculations were performed to determine the existing function of the intersection as well as the function of the intersection if it were converted to "All -Way -Stop" controlled. See Appendix B for LOS calculations. The highest traffic volumes occurred during the noon (12:AM to 1:PM) hour on Thursday March 8th. Field counts were performed to determine traffic distribution at the intersection. The following is a summary of these calculations. Intersection Controls E/B LOS (delay) WB LOS (delay) NB LOS (delay) SJB LOS (delay) 2-way stop A (8.9) A 0.4) D (28.2) F (109.2) All -way stop C (15.7) C (18.5) B (12.5) B (14.1) Note: delay values are shown in seconds Queuing Analvsis Brisbane Street (westbound) between the commercial driveway and North 4th Avenue is currently two lanes with approximately '245-feet of storage in each lane. A queuing analysis was performed to determine if the installation of all -way" stop controls for the intersection would have impacts on North 4th Avenue. Figure 1 summarizes the Peak Hour Traffic Volumes based on count data (Appendix A) and Traffic Distribution based on field counts. Calculations reveal that, based on calculated delays for the westbound move, a queue of less than 2 vehicles in each lane is expected. This equates to a queue length of approximately 50-feet in each lane. Conclusions and Recommendations 6151 Madeline Street San Diego, CA 92115 p (619) 840-3090 www.kenneyengineering.com k, KENNEY ENGINEERING Based on this analysis, the intersection of Brisbane Street and the commercial driveways located approximately 300-feet west of North 4th Avenue meets the Multi -Way Stop Applications Minimum Volumes criteria. The installation of the proposed Aii-Way Stop will improve the LOS of the minor approaches (driveways) to acceptable levels, while the major approaches (Brisbane Street) remain at an acceptable LOS. Calculated queues will not adversely impact North 4th Avenue traffic flows. It is recommended that the All -Way Stop controls should be installed, with pedestrian crosswalks across east leg to provide positive channelization for pedestrians to cross Brisbane Street. After installation, peak period monitoring should be performed periodically by City staff to confirm that queues do not exceed the storage available. It may be necessary to make minor timing modifications to the Brisbane Street & North 4th Avenue traffic signal to adjust vehicle platoons entering Brisbane Street. Brisbane Street & North 4th Avenue Median: The existing raised median located on Brisbane Street, west of the North 4th Avenue intersection is 2-foot wide curvilinear concrete. The purpose for this raised median is to channelize eastbound Brisbane Street traffic to line up with the intersection at North 4th Avenue Currently, vendors and pan -handlers occasionally occupy the median. The 2-foot width does not provide for the `dynamic envelope' necessary for pedestrian activity That envelope is comprised of the area necessary for a pedestrian to stand as well as space adjacent to the pedestrian. The space adjacent to a pedestrian influences the pedestrian's perception of safety If a vehicle enters the space very close to a pedestrian or the mirror on a large truck enters that adjacent space, the perception of diminished safety can cause a pedestrian to shy away from the on -coming vehicle Retreating from an on -coming vehicle is particularly compromising for a pedestrian standing on a narrow median who may then step back into on- coming traffic from the opposite direction. The `dynamic envelope' concept is the basis for establishing safety zones at train crossmgs, the widths of bike lanes, and the widths of sidewalks. Safety of these pedestrians is comprornised due to the nartaw median and road alignment. In addition to the challenges a pedestrian may encounter occupying the median, the presence of pedestrians on the median adds complexity to the decision making process for the drivers of approaching vehicles. The driver is negotiating the traffic signal indications, adjusting to moving vehicles in front and behind, and keeping an eye out for turning vehicles and errant vehicles. The driver must now acknowledge the pedestrian on the median and recognize that the pedestrian is stationary. This is counterintuitive to the driver who is anticipating pedestrians to be crossing the intersection, not standing in the middle of it. Pedestrians should not use the median. Figure 2 shows two possible alternatives to address this issue. • Alternative 1 proposes to remove the easterly portion of the raised median for a distance that allows the remaining westerly raised median to positively channelize traffic and prevent cross - median conflicts. Replace the portion of the raised median that has been removed with Caltrans detail 22 "double -yellow" striping. The approximate construction cost for this alternative is $7,500. 6151 Madeline Street San Diego, CA 92115 p (519) 840-3090 www.kenneyengineering.com r KENNEY ENGINEERING e Alternative 2 proposes to place a type of landscaping or hardscape which discourages pedestrians. The approximate construction cost for this alternative is $8,000. The recommended alternative is Alternative 1. This would best meet the goal of providing clear chaimc=ization for the motoring public while also providing a physical separation of vehicles traveling in opposing directions through the curved portion of Brisbane Road. Please contact me at (619) 840-3090 if you have any questions. Sincerely, KENNEY ENGINEERING Michael L. Kenney, P.E., T.E. 6151 Madeline Street San Diego, CA 92115 p {619) 840-3O90 www.kenneyengineering.com PEAK HDLtri 1V$F FTC VOLUVES Vtietvou.:1;.! ClJeue ensbarte St 1,-.;,0:117n4efc;_al 31 ; Lin _I L— Brisbane SI j.'rc s LTo fr PEAK HOUR VOLUME; (145;!r.,:ii.) p. 15 TrIrk peyo)01, 1 (.:!.1.1 I I Vt!liCic!&,11;1,r..1.11t.' laio•• 5 OL,e 1.1 .0 X IC.; - Corturer:;tai IS-47F IC VOW S LEGENtl. 0+Choft '11111. LASE GM:I. 114 Me.j t ; Nnft.i., r",! ri•rj:CIK:34,,tV0 0 Dr' 5 icoki FIGURE 1 bU V Existing Conditions - ^ • . • .•••••• ' ,„„. 45'1 • 4 1141511ZI*4314:4cm' " .,••• J. - •'-`" ;,•.„;! • Existing Raised Median INS Al 1 *WAY f71 - Alternative 1 Remove Median island - • ,••• . • 1,71. — • ••••• • • • .7 • 40" •••' Cr` Existing Raised Medtart to Renlarii 1/r:NA1-V.:$r ketrove 60 L'F i,appro,x.) Raised Median Add Dot2 Sirlping 1:16 At 1 4.* AY S i" Alternative 2 Landscape anli,tt Hardcae MediAn Islam; eat .• ... 4. ...i.. v k. ., ..I ' .. ... M. ... ' • . . • .. , .... .......,. .... . . , ...,-. . i . .1, •• • .... ' ' li.'. • • • ' .. . ..001t 6 " ' '''"klitt,........ ' . '' • ' ' • •.' ' ' '• ' ''". . 1001. •• 'i ...4.„laorciv,t-F- et.•sii ' ' t. 6 ,.. ... 1 6 -•' ..Or'' I.! 7,4•4•4'. , - - - Landscape and,o( Hardsceoe Exiszir; Raised .1A adiar( FIGURE 2 Mediu Attetnab j Appendix A KENNEY ENGINEERING EventCount•2028 -- English (ENU) Datasets: Site: Attribute: Input A: Input B: Survey Duration: Zone: Fife: Identfffer: Algorithm: Data type: Profile: Filter time: Name: Scheme: Units: in profile: TDSSW Inc. Event Counts [011041 l&risbene Street WMQ Drwy Kenney Eng 2 - East bound. - Lane-- 0, Added to totals. (/2.000) 0 - Unused or unknown. - Lane= 0, Excluded from totals. 15`04 Wednesday, Mardi 07, 2012 = 16:44 Friday, March 09, 2012 North America 0110409Mar2012.ECO (Plus) A027V8X1 MC56-1 [MC55] (c)Microcom 07/06/99 Event Count (v3.21 - 15275) Axle sensors - Separate (Count) 16:00 Wednesday, March 07, 2012 a 9:00 Friday, March 09, 2012 Default Profile Count events divided by two Nan metric (ft, mi, fits, mph, lb, ton) Events = 8363 / 8756 (95,51%) Wednesday, March tit, 2012: 2458 (Incomplete) ,15 minute drops i.. 1'. Eventeou i-2028 Page 1 505 476 444 366 300 202 91 69 • Thursday, March 08, 2012..581 f,15 minute drops •• ir J 1� 23 T 3 4 0 6 34 116 141 220 .340 403 519 514 510 1404 491 424 470 383 371 167 92 65 a .. .. 144 141 1.; , _ YJ ..•, - 111 1021 i • :l-. . . .. U 7 !. �. 134 154 { - .J J 1 . 1 3 i. '? - .- 102 131 114 AM Pink.1145 -1245 (491j, Ald Pir- .85 P12 Posh 1245 1345 (532), P41 PHF 4 f Friday, March 09, 2012_94 (Incomplete) ,15 minute drops 19 9 0 1 2 2 59 •2 0 n -•- 1? . .J t 11 11. 5151 Madeline Street San Diego, CA 92115 p (619) 840-3090 www.kenneyengineering.com KENNEY ENGINEERING EventCount-2025 — English ENU) Datasets: Site: Attribute: Input A: Input B: Survey Duration: Zone: File: Identifier: Algorithm: Data type: Profile: Filter time: Name: Scheme: Units: in profile: TDSSW, Event Counts [011011 Drwy NM Brisbane Street Kenney Eng 3 - South bound. - Lan 0, Added to totals. (f2.000) 0 - Unused or unknown. - Lane= 0, Excluded from totals. 15:01 Wednesday, March 07, 2012 16:54 Friday, March 09,2012 North America 01101091vlar2012.ECO (Pius) A7987E5Y MC56-1 imc551 (e)Microcom 07/06/99 Event Count (v3.21 - 15275) Axle sensors - Separate (Count) 1600 Wednesday, March 07, 2012 -z› 1600 Friday, March 09, 2012 Default Profile Count events divided by two Non metric (ft, mi, ftis, mph, lb, ton) Events = 3192 / 3324 (96.04%) * Wednesday, March 07, 2012=846 (Incomplete), 15 minute drops •:2,1 , :•L '• _ t71'.1 7,7r.5 - - - - - - - 1$3 138 147 . 13. 1; Evenleount-2025 Page 1 154 11.1 96 24 Ls . • * Thursday, March 08, 2012=2298, 15 minute drops ,-...- , P7.:1.. ,..: ,.•••• :.., • • •:.,•.- '• - 'r, 1. • :.1. ' t7.11.: 1: • 7.1"..". 15- 1, : 1: ': '_:', 23!1•:: IS.' 9 5 40 4 3 29 87 96 184 129 180 191 197 161 148 171 154 143 174 152 108 42 21 ,I 2 ;.. . ...- ::. .1 , 7..: ..4--. .:-. S . 59 48 ..'.'s .'!.. ' . 1 . ..: ".,.: . , ,-1. "...'.-• '. :' 52 58 .; . .44 ... I. -,:' :.... ... 1.1 : "' ,. ;-. =7: .'.5 ....... 48 4C, 53 ..-4 E.:":. . • 41 7'1 -, 4..... 2; I 54 35 St ,I• .....:. -,... :. . 19 , -..:. 0 AM Peak 1130 .1230 (2121 AM KW-4-.91 PM Peak 1300- 1490 (197-)., PIA PHF4.85 ' Friday, March 09, 2012=48 ()ncomplete) , 15 minute drops . -,--: nific. : . : • :,-, ...-. ;-- . . ..... i. : ! c .. : . ,'.IL'. ' -- 110 1,- ' -1. if - • '.::;-! 3.[,-.:,1 . .....: 8 5 0 0 2 6 28 0 0 0 0 0 0 0 0 0 2 ., 0 r 2 0 -, r.: 'i :. ,) ...• 16 ' 0 9 :3 - .... • . a ,1 ; G: : 5 :: :.; G i AM Peak 0545-0445 (sii, AM PHF4.48 5151 Madeline Street San Diego, CA 92115 p (619) 840-3090 www.kenneyengineering.com KENNEY ENGINEERING EventCouni-2027 Page 1 TDSSIN, Inc, Event Counts EventCount=2027-- English {END} Datasets: Site: [01103] NtrySIO Brisbane Street Attribute: Kenney Eng Input A: 1- North bound. - Lane. 0, Added to totals. (12.000) input 8: 0 • Unused or unknown, • Lane. 0. Excluded from totals. Survey Duration: 15:03 Wednesday, March 07, 2012 => 16:44 Friday: March 09, 2012 Zone: North America Fite: D110309Mar2012.ECO (Pius) Identifier: M2869KMY MC56-6 [MMG55] (c)Microcom 02/03/01 Algorithm: Event Count (v3.21 -15275) Data type: Axle sensors - Separate (Count) Profile: Filter time: 16:00 Wednesday, March 07, 2012 => 16:00 Friday, March 09, 2012 Name: Default Profile Scheme: Count events divided by two Units: Non metric (ft, mi, ills, mph, lb, ton) In profile: Events = 2566 / 2691 (95.37% * Wednesday, March 07, 2012=724 (incomplete) ,15 minute drops 109 131 136 149 e9 85 20 • Thursday, March 08, 2012=1811,15 minute drops :9 • 0 0 0 0 1 2 6 33 43 301 104 100 139 163 181 124 136 107 170 044 105 104 28 .3 73 32 19 9' 51 3 5 1 s 1 50 ▪ #6 ,. r• L- .. 29 -" 43 1r 3 1 .. 26 95 ,3 AM Peak 11M0.1230 {123;. A30 PHF .81 PTA Pek 1346 -1415 [1831 PM Piffw.31 • Friday, Moron 09, 2012�29 (incomplete) ,15 minute drops 6 0 0 1 616 1 0 0 0 0 0 0 0 0 3 1 6 5 4 2 AM Peg 0545. (191 AAr PIHWA.77 6151 Madeline Street San Diego, CA 92115 p (619} 840-3090 www.kenneyenginee ring,corn KENNEY ENGINEERING Eventeount•2026— English (ENU) Datasets: Site, Attribute: Input A: Input 13: Survey Duration: Zone: File: tdentlfier: Algorithm: Data type: Profile: Filter time: Name: Scheme: Units: In profile: TOSS, Inc. Event Counts [011021 Brisbane Street El0 Drwy Kenney Eng 4 - West bound. - Lane= 0, Added to totals. {12 000) 0 - Unused or unknown. - Lane= 0 Exuded from totals. 15.02 Wednesday, Marls 07, 2012 => 16:54 Friday, March 09, 2012 North America 0110209Maj2012.ECO (Plus) A647KH81 MC56-1 {MC551 (c)Microcom 07106/99 Event Count (v3.21.175) Axle sensors - Separate (Count) 16:00 Wednesday, March 07, 2012 16:00 Friday, March 09, 2012 Default Profile Count events divided by two Non metric (lt, rr , ft!s, mph, lb, ton) Events =10627 t 11147 (95.34%) * Wednesday, March 07, 201242748 (incomplete) ,15 minute drops .. ., .. .. - - - 582 15. * Thursday, March 08, 20127867,15 minute drops 10 3 4 7 120 49 133 225 284 474 513 620 636 7 a 5 ;1 i . 155 0 _ 1 2 17; I=. 162 1. 7 Y ;:, 1.57 i.' 0 5 • 1. 163 AM Peak 1115 • 121518361 A.4 PpFtsa PMPeai 1530 -1630 (65n), PM Ptf-±' 91 " Frey, March 09, 2012=209 (incomplete) ,15 minute drops Eveatcount-2026 Page 1 E_ — _. 562 5.2.7 618 336 165 108 51 T =.i_ _ ... 1. i. _ .. 1: 612 579 587 l.? 158 152 613 564 589 469 161 ._. 180 1. ," 1' 313 198 114 49 7 9 1 B 20 10 124 1 V 5 29 36 11 34 1 1 23 Alit Peak M0 - 0 {124), All PHP41,87 0 0 0 � 4 J 3 1 e 5 0 0 0 0 0 - 1 6151 Madeline Street San Diego, CA 92115 p (619) 840-3090 www.kenneyengineering.com K ENNEY rENGINEERING Appendix B NC3t; Unsigna:.izea Intersections Release 5,6 TWO-:z'A1 STOP CONTROL SDM<ARY A .alys t: Agency/Co.; Date Performed: Analysis Time Period: Intersection: Jurisdiction: ;nits: U. S. Customary A::elysis Year: 2012 Project ID: 53504 FasttNest street: Nott/Soue Streit: RC :.enreey Engineering 5/1I2012 moan Peak 3rislbane & Crivoways City of Chula Vista Brisbane Street C_a:rt.ercial Criveways Intersection Orientation; EN _vehicle Major Street: approach b',avement 1 L Study period ,hrsa: 0.25 Volumes and Adjustment* Eastbound 2 3 I 4 T R I L lyestboune1 5 6 'T R Volume tteak-Ho::r Factor, VHF routly e1*aw iata, HER Percent Heavy Vehicles median Type/Storage R': Chan elized? Lanes Cora; gvra`.lon •pstre.:m Signal? 52 441 1.30 1.00 52 441 0 Undivided 0 2 0 LT 7R Na 26 1.00 26 32 1.00 32 0 r 445 1.00 945 0 2 0 LT TR ho )59 1.03 159 f'.- ror Street: Approach movement Vo � u e Peak our Factor, P"c' Hat.r1y Flaw Rate, F. k P:.ro.;:.t Heavy Vehicles Fercert Grade tt Flared Approach: Exists?!S_or,4v Lanes Configuration No-thbvund 7 9 9 L T R S our hbou r.d I 10 :1 12 I L T 42 .3$ 63 143 10 38 1.01 1.00 1.00 1.00 1.00 1.00 42 35 63 143 10 38 0 C 0 C 0 0 0 No / NO I p�j 0 0 10 :JLR LIT. Ap?roach Xavemeat lane Config Delay, Queue BB NB LT LT €engt:i. and Level of Service Northbound I 7 a 9 I 10 L..k Sauthbound 11 12 L1R v (vP1:-) 4(l (vp1:) " v/c 95% queue length Contra. Delay LO5 Aprcact Delay Approach LC$ 52 994 0.05 0.17 9.5 A 32 1: 05 0.03 0.09 8.4 A: i40 292 0-48 2.45 28,2 €1 G8..2 0 1 1 _95 0.90 8.22 '09.2 F 109.2 F 6151 Madeline Street San Diego, CA 92115 p (619) 840-3090 www.kenneyengineering.com / lim K ! KENNEY ENGINEERING Imo Phone: U:_signalized ;atessett:rsts Release 5.6 Fax: ALL -WAY fs0P CON7R01/AW3:; AL:ALYS15 Analyst: Agency/Co.: Crate Pe fOrriPo: Analysis Txtte Period: lntcrseetiott: Jurisdiction: ur.ats: tl. 5. i'.ra.ysis Year: Project :D: 53500 East/West Street: Brisba:.e Street North/South Street: Cohmeretal orsve nys Worksheet 2 - Volume 7td;ustments and Site CharacteristLcs RC Kenny Engineering 511}2t0:2 Noon Peas Briabar.e & Driveways City of Cb_•.ls Vista customary 2312 ' Eastbound t Westbound 7 R I L 2 R 1 1 Northbound 1 Southbound IL T R 1 V� 1 iY:e 52 441 26 132 445 159 142 hrLs Left Lane 50 50 Configuration PEF Fluor' Rote `• Heavy ',Ieh tT r. Lanes Opposing -Lanes CCnfllorlmg-lane§ 5eomet-y group Duration, : 0.25 Eastbound L1 12 LT TR 1,00 1,00 272 247 0 0 2 2 5 bra. Westbound L2 L2 LT TR 1.00 1.00 254 392 0 0 2 2 1 5 Worksheet 3 - SAturat_on Flow barns: Total in Lane ',ett-Turn RiG:it-':urn 'reap. FYeft-T rms Prop. Rig_it-Turas 0.0 Prop. 3eavy Vehicleo.0 -,!or.etry Croup 5 Aij,:.stmemts RxttteLt 17-33: .L1-aslj D .5 6151 Madeline Street San Diego, CA Eastbound L 1 12 35 61 ! :43 in 36 Northbound 11 L2 L:R 1.00 140 0 Headway Adjustment 1 1 2 Workehewt 4 estb:'u'n3 Northbound Lz L2 Ll L2 Z72 247 254 382 5? 0 32 0 0 26 0 159 0.0 0.1 G.0 0.1 0.3 0.4 0.0 0.a D.0 5 92115 5 140 4» 0.3 0.1 0.0 2 0.2 Scuthbou .d 11 L2 LT R 1.00 191 0 1 1 2 2 Subh 6ui4+•, 191 143 26 0.1 0.2 0.0 2 0.2 p (619) 840-3090 www.kenneyengineering.com / ion K. KENNEY � ENGINEERING h"'-adj -0.7 -0.7" . 0. .. 6 hHV-ad1 1.7 :1.7 1.7 1.7 had , ccnputed 0.1 -0.1 0.1 -0,3 -0.2 0.1., Workshe,et 4 - Depa_ttse Headway and Service T:.cre Eastbound Westbound Northbound So.,thaot€td i1 12 IL L2 Z_ L2 I;_ L2 Flow rate 272 247 254 3.82 14D 191 hd, initial value 3.20 3.20 3.20 3.20 3.20 3.20 3.20 3.20 xr initial 0.21 0.22 0.23 0.34 0.12 0.17 hd, final \-elt:* 6.83 6.65 6.65 6.29 6.96 6.99 x, final value 0.52 0.46 0.47 0.67 0.27 0.37 trove -up ti7.er m 2.3 2.3 2.0 2.0 acr i.a '..`iare 4.5 4.4 4.4 4.0 5.0 5.0 Worksheet 5 - Capacity ani Level of Service Eastbound Westbound ::orthbo.;nd acuthbour.i 1.1 L2 L1 E? Ll L2 L1 M2 F1:w Etate 272 247 254 382 140 191 Service .=.te 4.5 4.4 4.4 4.0 5.0 5.0 Utilization, x 0.52 6.46 0.47 0.67 0.27 0.3, ep. head ay, hd 6.83 6.65 6.6L 6.29 6.96 6.99 Capscity 513 497 504 561 390 441 De1..,y 16.57 14.02 15.11 20.72 12.52 _4.05 cos £ 3 C C 1 Approach Cslay 15.73 16.48 12.5? 14.05 Los C C s H :ntersection Delay 16.39 Intersection 5OS C 6151 Madeline Street San Diego, CA 92115 p (619} 840-3090 www.lrenneyeng€neering.eom