What’s happening: The Transportation Authority of Marin (TAM) voted unanimously Thursday to nominate $453,000 for design work at Miller Avenue, Montford Avenue and La Goma Street. The Metropolitan Transportation Commission (MTC) makes the final call between January and March. Money would reach the city in the second half of 2027 at the earliest. Mill Valley asked for $2.5 million to design and build a single-lane roundabout. The city has committed about 20% of the $3.2 million project cost, or $634,000.
The city’s design concept for a single-lane roundabout at Miller Avenue, Montford Avenue and La Goma Street. It removes two parking spaces, relocates two bus stops and adds a raised, mountable splitter island. (City of Mill Valley, OBAG 4 application)
Why it matters: Consultant Kittelson & Associates ranked this intersection the top priority in an 11-intersection corridor study, citing 31 crashes between 2015 and 2024. Councilmember Urban Carmel told fellow TAM board members the intersection links all of the city’s schools to downtown and the library, and feeds traffic toward Panoramic Highway, Muir Woods and Stinson Beach.
Until a permanent fix arrives, the city is running a temporary pilot…
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