Caltrans favors elevating Highway 37 to address flood risks
In an effort to protect Highway 37 from rising sea levels, a new state study calls for elevating the route onto a causeway within the next two decades. Presenting its findings this month, Caltrans said its preferred solution is to build a 30-foot-high, four-lane causeway along the current alignment of the highway, a 21-mile corridor connecting Highway 101 in Marin County to Interstate 80 in Vallejo. The plan would include a pedestrian and bicycle path and might include an extension of SMART train service between Novato and Suisun City. The announcement was celebrated by project proponents who say the causeway is the only way to adapt the highway to the threats from rising water and improve wetland habitats in San Pablo Bay.
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