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California Department of Transportation
Date: July 14, 2011
District: 4 - Oakland
Contact: Bob Haus
Phone: (510) 286-5576
Caltrans Begins Widening Highway 101 at Marin-Sonoma "Narrows"
NOVATO – Caltrans broke ground today on the first phase of the Marin-Sonoma Narrows Project on Highway 101. The $50 million dollar project received $31 million in funding from Proposition 1B, a 2006 voter-approved transportation bond. To date, the state has allocated nearly $8 billion in Proposition 1B funds for transportation purposes statewide.
“Today marks the first step in providing uninterrupted carpool lanes connecting Marin and Sonoma counties,” said Acting Caltrans Director Malcolm Dougherty. “This first phase of the Marin-Sonoma Narrows widening brings us closer to reduced congestion, improved air quality, and increased safety along Highway 101.”
The project will build one new carpool lane in each direction: the northbound lane will run from State Route 37 to Atherton Avenue; the southbound lane will stretch from Novato Creek to SR-37. Construction is expected to last two years.
This project is the first of many that will widen approximately 17 miles of Highway 101 from Novato to Petaluma. Known as “The Narrows” for its reduction to just two lanes in each direction, this segment of the highway has historically experienced heavy congestion. Other segments of “The Narrows” have no on or off-ramps; drivers must turn directly onto the highway from side street intersections. The Marin-Sonoma Narrows Project will create controlled access to the highway, making it easier and safer for drivers to enter the highway through “The Narrows.”
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