Loading...
HomeMy WebLinkAboutRichmond Bridge PPT3rd Eastbound I-580 Travel Lane and Bicycle Pedestrian Path February 2, 2015 PROI Project Goals Provide traffic congestion relief in Marin County Close existing gap in Bay Trail between San Rafael and Richmond Major Project Elements Eastbound Third Lane: Sir Francis Drake Blvd. to Marine St. Contra Costa Bike/Pedestrian Path connection in Richmond 10 -ft Barrier Separated Bike/Pedestrian Path on Upper Deck San Rafael Bi -Directional Bicycle Lane Contia'Costa Marin Upper Deck ,� Count ;Lar R, ., Richmond Y County San Rafael inset `h— 0°�SanRafoe/Bridge ' ■'� �� Corte Madera Richmond inset Third Eastbound Lane 101 Lower Deck Mill Valley • Tiburon •. Improve Main St eastbound on-ramp merge with new 3rd lane into .� 1 aim . A"a Restripe RSR Bridge Lower Deck Structural modifications not required Retaining wall removal and reconstruction in Richmond • • / Of , wall reconstruction in Richmond vL �, • a I r . _ f f a tO' BIKE/PED PA R CONCRETE BARRIER A" _ _ _ TE A � y NEW RETAiN[NG WALL Design Speed and Stopping Sight Distance (SSD) Exist Wall & Striping Exist Wall & Modified Striping M Design SSD Max Wall Avg. Wall Wall Length Speed Height Height (mph) (ft) (ft) (ft) (ft 50 458 28 (Exist) 20 (Exist) 320 (Exist) 43 347 28 (Exist) 20 (Exist) 20 320 (Exist) 8 IMF— Existing trail to Pt Molate RAY AREA -AUTdo flows 9 IQ DI 6 95-10' BATA -proposed pathway Existing trail to Marine St -Scofield Bridge -Western Dr Marine St )r Contra Costa County - Path 10 -ft wide path Attractive railing Visual screen on Scofield; open elsewhere Raised pathway RSR Bridge Bicycle Pedestrian Path 10 ft Width on upper deck Standard width for bikes & peds Maintenance access 4 year trial Moveable Barrier Dynamic response Modified Barrier to meet min. height requirement Increased RSR Bridge outside railing height Accelerated Incident Response Tow trucks from Richmond or Marin Contraflow access from Main Street , dL Upper Deck — 10 -ft Pathway "UD" WESTBOUND CL 18' 18, Ew ETw 10 12.5' 12' Two -WAY BIKE LANE 18" MOVEABLE BARRIER "LD" EASTBOUND T ETW 1 1 8' 18' 1 12' THIRD LANE 12 Incident Management Eastbound Third Lane &Bike/Ped Path FSP coordination CCTV cameras Integration of lane management with TMC operation and incident response Enhanced procedures TMC & CCTV cameras 4 r N �MIEN __ _�- go! PW �'�� it i WE BATA BUDGET CURRENT ESTIMATE !m:0ITe Ci PROJECT A PROJECT B Operational Costs for Peak Period Use Lane 3rd EB Lane Bike Path and Movable Upper Deck Barrier CO/COS' CO/COS1,2 $17M $40M $13M $30 M $29 M Not Included Contingency I TOTALS $4 M $15 M $74 M $74 M Project Timeline ACTIVITY 2014 2015 2116 2017 l PSR/PDS ■ PANED Design (PS&E) Advertise & Award . Construction Open Project A �L Open Project B �[ ® Project A: Third Lane Lower Deck + CC Bike Path (IS/EA clearance) ® Project B: Upper Deck Bike/Ped Path (CE/CE clearance)