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Home My WebLink About122022-08.1 Diablo Road Trail (122022)DIABLO ROAD TRAIL PROJEC Danville Town Council Meeting December 20, 2022 Danville Townwide Trail Plan PROJECT HISTORY A 3 -decade long vision to close a trail gap LEGEND 0 O 0 0 ETISTING TRAILS • PROPOSED TRAILS «tea PROPOSED ON -STREET CONNECTING ROUTES =r3 EXISTING OPEN SPACE TRAILS PROPOSTREAILSD OPEN SPACE PROPOSED STAGING AREAS PROPOSED �® CROSSWALKS • m o • IRON HORSE TRAIL MAJOR CREEKS GREEN VALLEY CREEK MAP 2 0 Danville Townwide Trail Plan, adopted 1989 2 PUBLIC EASEMENT Secured public trail easement as part of the Magee Preserve housing approval, which dedicated 381 acres (93%) of the 410 -acre ranch for public open space and trail development Green all y- Igbmentary School 3 TWO-PART CONSTRUCTION Easterly section underway by the developer, as part of the Magee Preserve subdivision improvements Westerly section will be constructed by the Town in 2023, connecting to Barbara Haile Trail (existing) Fairway Drive Diablo Existing Diablo Road Trail (0.5 miles) New Town -constructed trail segment (0.9 miles) New Developer -constructed trail segment (0.7 miles) 4 58 DIABLO ROAD TRAILALIGNMENT- EXISTING CONDITIONS TOWN OF DANVILLE 1- ASPHALT TRAIL WIDTH =- 2- 2- TRAIL SECTION ADJACENT TO CREEK LENGTH = 900' 3- CULVERT CROSSING LENGTH = 35.0' 4- 1$4' OF MECHANICAL STABILIZED EARTH WALLS OF 4.0' MAK. HEIGNT 5- 156' OF 4.0' MAX. HEIGHT OF WOOD WALL 259' CALTRANS RAILS 7- 800' CREEK SIDE RAILS B- REMOVAL OF 7 TREES (TWO OAK TREES) 5 DIABLO ROAD TRAILALIGNMENT LOCATION MAP Developer -constructed trail segment,Jn-progress. (0.7 miles) EAST Segment (following EVA) (0.9 MILES) ITO WEST Segment (following along creek Existing Diablo Road _ M1 (aka "Barbara Haile") •4 Trail Trail Crossing - "HAWK" Signal sua StTimothy's t • 4 Episcopal Church LEGEND: TOWNS OF DANVILLE DIABLO ROAD TRAIL PROJECT Fairway Drive to Alameda Diablo (West Segment) 14010 SAn N.I • -410 FR018CT VJCINITY MAP • ._-.!=AMS MtnO +ARO 400[01404, ulykk 4140141. • CONLVIVI 04000404 4004 111111 ,14.1 401 niEr wan., come. 004, ,410.300 01.4 1.4094 46,P a ,iK 030 40. Pla01v 0.0• 44040004.4- nunr,C SWIM. 001.1 aum 4,1 Yon 14.0 031.10 041. 44,10,14 1,4 40.011 NEM RETAINING WALL DETAIL PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION GUARD RAIL AS NEEDED FENCE AS NEEDED 2.0SHOULDER 2" HMA 8" AGGREGATE BASE CLASS 11 TRAIL TYPICAL '•LCLDN 10 20 W0 SCALE- II • Id PRELIMINARY PLANS - NOT FOR CONSTRUCTION TOWN OF DANVILLE DIABLO ROAD TRAIL PROJECT TITLE SHEET C•ACC, ITT • EDGE OF PAVEMENT DIRT ,- EDGE OF PAVEMENT — DOUBLE LANE LINE MELLOW POTS 'r03E OF PAVE9112..-.,...R,,w«—.e,o D/ LO ROAD IVRE FEN. 2.55' CONCRETE — TOP OF SLOPE TOP OF ELOPE Wif7,'.,. / ,901 %rte/// l! FOP OF ;LOPE 2 —TOP OF SLOPE 70P 05 SLOPE ="T`T-------/ PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION 'OF C'F .Lisp TOE 1 IF LO�E ice`!_ TOF OF SLOPE J `� — RETAINfNG WALL ._ uh OF SCOP i1 /( 12" CONCREPE WALL 47L 95') TOP OF WALL 1 CONCRETE WALL (469 33') 16p for WALL L12. CONCRETE WALL (470.00'1 (05 OF WALL E2' LINC;Pt It WALL (469.65") TOP OF WALL 12' CONCRETE WALL (409.82'1 AT GROUND L ),l� \�I`,ZOpr 0 8 PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION 14 f • i0F ,FC PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION 00,0 44.5 .05 10+50.00 RCTAINJNG WALL DIETING CULVERT 8+00.00 GUARD RAIL 5+50-0 RETA1NING WALL 495. 11+00.00 GUARD RAIL 8+50.001 GUARD RAIL .500 0505 11+33.06 GUARD RAIL 9+00,00 FENCE FENCE RETAINING WAIL +eaw RETAINING WALL 6+00.00 3+00.00 3+50.00 REfA1NING WALL tei 40. 0+50.00 1+00.00 465 00 PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION .05.00 1.00 .000 4.5500 FENCE ▪ RETAINING WALL 00.00 FENCE ▪ RETAINING WALL .500 as.w .00.00 170 05 GUARD RAJL 6+50.00_ FENCE RETAINING WALL 4+00.00 .000 47000 MOO 4.0000 475.00 9+50 00 7+00.00 �RETAINfNG WALL 4+50.00 40. 470 1.5.100 10+00.00 7+50.00 001+ 85 WALL 5+00,00 1+50.00 2+00, 00 2+50, 00 175. JOB. 1.711.05 000 moo 10.00 Le NNVflff. 11 /, oRosEa TRAIL 10 DIRT 590 0011 580.0Ca- � 570e- 560 Olt 550.0gr „ 540 011W- > s oag- J-11 • 520.00 510.00 000.00 - 49900 L.1 0 UJ 0,00.00 1,00.00 CP 41 00— — PLAN ADE BREAK STA = 5•08 ----- --- - 3,00 00 4+00 00 500.00 PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION PROFILE GRADE BREAK 6,00.00 LO GRADE BREAK STA = 7+12 26 ELEV 537.305 GRADE BREAK 7*00.80 0,0'0 00 12 GRADE BREAK ,1.10 005 GRADE BREAK +00,00 GRADE BREAK GRADE BREAK PLAN N GRADE BREAK STA GRADE BREAK STA - 13+2674 0 N h a 2 1 M W S I1 ¢ 6 W N W > 4 W O 1u aU W RADE BREAK STA 10+0000 11+0000 10+00.00 13+00.00 PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION PROFILE 14+00.00 15+00.00 16700.00 17+0 ,CNV II j • . , r' 13 s PLAN 00 (.1: PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION MOO PROFILE 2,2-00.0(1 _,END -P-EOPO GRADE BRE 562,874 GRADE BREAK STA = 25+60.91 PLAN BEAK STA = 26+61.84 u EXI' TINlC$ DIRT ADE BREAK STA = 27+91,73 TRADE BREAK: STA 24+00.00 25+00A0 26+0000 27+00.04 29+00 AO 29*00.00 30+00.00 PRELIMINARY PLANS - ALIGNGMENT AND ELEVATION NOT FOR CONSTRUCTION PROFILE 15 DIABLO ROAD TRAIL ALIGNMENT MAGEE PRESERVE SEGMENTS UNDER CONSTRUCTION Diablo Trail — Magee Preserve, east section @Blackhawk Road) Diablo Trail — Magee Preserve, west section (@tank access road) DIABLO ROAD TRAIL CROSSING - "HAWK" SIGNAL TDA GRANT EXHIBIT (2021) GROSSIVG LOC41 %1: FAIRWAY DRIVE (GEJll3WL VIGNTTI1 T Diablo Road Trail Pedestrian and Bicycle Crossing Improvements To Mt. Diablo State Park GREEN _ VALLEY our% ELEMENT 44. 144.7., aii 0 IA 6110 ROAD ti Diablo Road Trail Crossing ("Project") LEGEND Diablo Road Trail Crossing ("Project") Planned Diablo Road Trail (Construction in 2422) Existing Diablo RoadTrail (exist ngo.y•rnile multiuse paved path) Magee PreserveMiablo Rd Trail Extension (Construction in 2421) East Bay Regional Parks District Trails (future public rnulti•use trai11 dirttgravel) Black hawk Road Path (existing multiuse paved path) TO SHORTRIDGE/SVCALMORE DIABLO ROAD - TRAIL CROSSING "HAWK" SIGNAL Pedestrians Drivers Haw does a HAWK Signal Work? Will see this... Will do this... ILJ Push the button to activate the WALK signal Will see this... Will do thiy... Proceed What is a HAWK Signal? Wait ;19.. h,Ruk[s up 'Ea rim r. Iu, ib. nig.] j Flashing Proceed with Caution .0) 1pel.o-ir, 341,ai he. lrr, aw.:. Slow down and prepare to STOP A HAWK IlHigh-Intensity Activated crassWi IK� signai is a signal-b&a OOr designed to help pedesfriars and bicyclists safely cross the street_ While different in appearance for motorists, for the pedestrian: this signal ..narks like other push-button activated traffic signals by stopping tragic with a +ed signal, allowing pedestrians to cross with a WALK signal. -\> I7Startcrossing 3 after you see the WALK signal IE4 va. r,KLl�a. .i�.n.: �• . Continue Crossing t I.ining l.n a�gkJ Push the button to cross STOP! Then proceed with caution if clear Proceed if crosswalk is clear PROJECT STATUS &NEXTSTEPS • Summer 2020: In-house preliminary design; grant submittals • Fall 2020: Project area specific topographic survey (validate preliminary design) • 2021-22: Environmental assessment and regulatory permitting process • Spring 2022: Diablo Road/ Fairway Drive crossing treatment design began • Oct/Nov 2022: Mitigated Negative Declaration ("MND") of Environmental Impacts (45 -day comment period) • December 20, 2022: Town Council adoption of MND and approval of alignment • Winter 2023: Final Design • Summer/Fall 2023: Bid process and Construction begins 19