Highway 101

​The Transportation Authority of Marin (TAM) is conducting a Highway 101 interchange study and wants input via an online survey. Read More

The Highway 101/De La Cruz Boulevard interchange in San Jose will get a makeover beginning this summer to make the area safer for drivers, bicyclists and pedestrians. Read More

Outreach continues as the Transportation Authority of Marin (TAM)starts the planning and environmental phase of a proposed project to construct a direct highway connection from northbound US-101 to eastbound I-580 in Marin County, according to the agency. Read More

The U.S. Highway 101 Deck Replacement project at San Francisco’s Alemany Circle will begin later this month instead of July, Caltrans announced Friday. COVID-19 shelter-in-place orders have lightened traffic, making the work less intrusive if done sooner. Read More

Wednesday saw the groundbreaking of the last segment of the Marin-Sonoma Narrows project in Sonoma County. Read More

Last week was a big one for transportation in California, with the state announcing grant award recommendations or winners for four different programs funded by Senate Bill 1 (SB 1), the state’s landmark transportation funding law signed in 2017. The nine-county Bay Area did very well with the recommendations. The region is currently on track to receive a total of $2 billion in funding over the next 10 years to support 23 critical Bay Area transportation projects. These projects range from a host of improvements along U.S. Highway 101, including Express Lanes and express buses through the Read More

Though this week’s atmospheric river-fueled storm may delay its opening by a few days, the new alignment on southbound 101 at the Marin-Sonoma Narrows will soon bring major traffic flow improvements and future flood relief to this bottleneck area. Check out a new video from MTC’s Mark Jones to see the project in action and hear experts from Caltrans and the Transportation Authority of Marin talk about the higher, dryer, wider highway. Read More