HomeMy WebLinkAboutPW Presentation from Transportation Authority of Marin Regarding the 101-580 Multi Modal and Local Access Improvement Project PPTUS-101/I-580 Multi-
Modal and Local Access
Improvement Project
City Council of San Rafael Update
April 15, 2024
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Agenda
Status of Alternatives and Recent TAM Board Action
Bellam Blvd Corridor Improvements
Bellam Off-Ramp Near Term Project
Next Steps
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Project Goals and Objectives
•Enhance circulation on local streets by separating regional pass-
through traffic from local traffic on surface streets and provide
reliable travel times for regional and local traffic.
•Enhance the active transportation network (e.g., bicycle, pedestrian,
bus transit) within the project area and improve connectivity to
transit hubs in San Rafael, Larkspur, Richmond, and El Cerrito.
•Enhance bicycle and pedestrian safety on local streets by
constructing protected bike lanes and rerouting regional traffic that
contribute additional risk and stress to bicyclists, pedestrians, and
other vulnerable road users.
•Improve connectivity between NB US 101 and EB I-580 for regional
traffic in and out of Marin County using the Richmond-San Rafael
Bridge.
•Enhance and support economic prosperity in the project area by
providing better and more reliable access to current and future
businesses.
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101-580 Project Status
•Planning & Outreach ongoing since 2020
•December 2021 – TAM Board approved 4 build alternatives to analyze in the
environmental phase.
•Traffic challenges on local streets, particularly Bellam Blvd, are increasingly
important to the project
•Concerns raised by the public and stakeholder groups revolved around traffic
backups onto NB US 101 and EB I-580 from the Bellam Blvd off ramp
•This is caused by constrained movements and close signal spacing along Bellam
Blvd from Andersen Drive to Kerner Blvd.
•Additional traffic studies resulted in refinement of alternatives
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Key Outreach Activities
•Stakeholder Working Group
•20 representatives from various interests
•Seven meetings since June 2020
•All meetings open to the public
•Will reconvene the group for the environmental process
•Civic engagement training sessions with resident leaders from the Canal and
Woodland neighborhoods
•Community-centered training course over a series of 7 sessions in the fall of 2023
•Will continue coordination as project progresses
•Conducted in Spanish
•Ongoing coordination with City Agencies, Community Organizations and Property
Owners
•Upcoming Scoping meeting and Bellam Boulevard area local improvements
workshops
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Summary of Recent TAM Board Actions
•Updates approved by the TAM Board on 3/28/24:
•Add Bellam Corridor Improvements as a stand-alone “Alternative 7”
•Drop Alternatives “3B Modified” and “6”
•Recommendations result in environmental process analyzing:
•No-Build, and Alternatives 2, 3A, and 7
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Alternatives Proposed to be Eliminated
7
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Basis for Discontinuing Two Alternatives
•Alternative 3B Modified
•Additional lane and signal phase at I-580 EB off ramp would exacerbate the off-ramp congestion.
•Caltrans has expressed issues with design exceptions and the traffic operations of the off ramp.
•This option generated very little support during the outreach process.
•Alternative 6
•Would place a 60-foot-high structure crossing Anderson Drive with associated visual impacts.
•Concern from GGBHTD regarding potential impacts to the bus facility.
•High cost would potentially delay the construction.
•Reduce project development costs due to elimination of 2 project alternatives
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•Need
•Intersections too close to each other
•Not sufficient room for storage and queuing
•Intersections allow all movements
•Significant pedestrian and bicycle activity at Francisco/Bellam/580 off-ramp
•Back-up onto US 101
•Improve ingress and egress to and from the Canal Neighborhood
•Options (under development)
•Roundabouts
•Signalized Intersection Modification
Bellam Blvd Corridor Improvements Alternative
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Bellam Blvd Local Improvements Project Area
Bellam Blvd/
Andersen Drive
Bellam Blvd/
NB US-101 Off Ramp To
Bellam Blvd
Bellam Blvd/
WB I-580 Off Ramp To
Bellam Blvd
Bellam Blvd/
Francisco Blvd E
Bellam Blvd/
Castro Ave
Bellam Blvd/
Kerner Blvd
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Preliminary Traffic Modeling
•The Project team advanced a portion of the traffic studies to determine if local
improvements on Bellam Blvd could reduce the spill back onto NB 101.
•The results have been encouraging:
•Reduce the backup at the Bellam Blvd off-ramp
•Improve travel time to the Richmond San Rafael Bridge
•Reduce travel time on Sir Francis Drake Blvd
•Improve travel times for local destinations in East San Rafael
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Bellam Blvd Corridor Improvements Alternative
•Adding Alternative 7 will:
•Allow evaluation of direct connector options with the local improvements added
•Allow selection of Bellam Corridor Alternative with/without connector
•Be consistent with funding program language (RM3 and Measure AA)
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Alternatives Summary
Included Features
Alternative
Alt. 3A Alt. 2 Alt 7 - Bellam Corridor
Improvements
Design Speed 35 mph 45 mph NA
Connector Ramp from
NB 101 to EB 580
Replace I-580 EB Bridge
over Bellam
Bike/Ped Improvements
Transit Improvements
Bellam Intersection
Improvements
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Related Proposed Improvements
Near-Term Bellam Off-Ramp Improvement Project
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Near-Term Bellam Off-Ramp Project
Widen existing off-ramp
to provide 2nd lane
Provide additional
right turn lane to
Bellam Blvd
Current Status of Bellam Ramp Widening Project
Caltrans approved design
Cost of right-of-way to be negotiated
Proposing approach to complete funding plan
Could complete construction by 2025
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Next Steps
•Update to San Rafael City Council – Today!
•Continue the Stakeholder Working Group
•Continue coordination with neighborhood leaders from Canal and Woodland areas
•Conduct community workshops focusing on Bellam Corridor Improvements
•Prepare for Scoping/EIR kick-off in the Summer
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Questions and Discussion