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
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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
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wall reconstruction in Richmond
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tO' BIKE/PED PA R
CONCRETE BARRIER A" _ _ _ TE
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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
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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
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BATA
BUDGET
CURRENT
ESTIMATE
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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)