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SR 131 Tiburon Boulevard / East Blithedale Ave

The interchange at SR 131 Tiburon Boulevard / East Blithedale Ave is between the City of Mill Valley and the unincorporated district. of Strawberry. TAM’s study found several features at the interchange that could be improved, including signal replacements, pedestrian crossing enhancements, and bicycle facility upgrades. These recommendations and other limitations are described in the Existing Conditions, Constraints, and Opportunities Report below.

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Public and Agency Input

Between March and April 2021, a survey was conducted to discover community priorities for improvements to the interchange. The SR 131 Tiburon Boulevard / East Blithedale Ave interchange received 502 comments from the public. Residents rated the level of importance for eight potential improvements on a 5-point scale ranging from not important to most important.

Most respondents said reducing traffic congestion in the area is the most important improvement to this interchange:

Reduce traffic congestion

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Make it easier to drive to and from this interchange

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Make it safer to bike around this interchange

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Make it safer to walk around this interchange

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Improve lighting and security

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Improve environmental sustainability and resiliency

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Improve the quality and access to bus stops near this interchange

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Increase Park and Ride capacity

Low
Importance
0 %
No
Opinion
0 %
High
Importance
0 %

Interchange Improvements

The recommended improvements would make the interchange and surrounding streets safer and easier to use for drivers, bicyclists, pedestrians, and people using public transit.

Key Goals:

  • Improve multimodal connectivity and accessibility for all users to, from, and across Highway 101
  • Improve traffic operations for existing and future conditions
  • Enhance safety for all modes and active transportation options
  • Encourage mode shift from single-occupancy vehicles within the project area

" The traffic and car congestion is bad along here—crossing the interchange is scary as a cyclist, especially as cars are speeding up to get onto 101. "

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