MARIN and SONOMA COUNTIES -- The California Transportation Commission voted Wednesday to allocate more than $110 million to two Highway 101 improvement projects in Marin and Sonoma counties.

When funded, the projects will give drivers continuous high-occupancy lanes between San Rafael and Windsor.

The larger of the two allocations -- $82 million -- will fund the construction of a new bridge over the Petaluma River, as well as a new interchange at Petaluma Boulevard South, frontage roads and equipment for ramp metering.

The second -- $29.7 million -- will fund the construction of new frontage roads and a new San Antonio Road interchange for near Redwood Landfill north of Novato.

The allocation has funded “about 80 percent” of the $974 million in Highway 101 work planned in Sonoma County since 2001, with $177 million in additional funding required to extend high-occupancy vehicle lanes through Petaluma and the so-called “Marin Sonoma Narrows” to the border with Marin County, said Sonoma County Transportation Authority Executive Director Suzanne Smith.

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