Community meeting on Cal Trans Highway 121 project

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CalTrans has called a community meeting for Wednesday, May 30, to discuss a coming safety improvement project on State Route 121 between Wagner and Bisso roads, south of the Bonneau Rd. intersection past Cornerstone and Viansa Winery.

The project proposes to reduce accidents and improve safety by implementing safety measures, such as widening shoulders, realigning the roadway and adding a center-turn lane where necessary.

The impact statement that will be discussed at the May 30 meeting is available for public review at the Sonoma Valley Regional Library, 755 W. Napa St., or downloaded from

The community meeting will be on Wednesday May 30, from 6 -8 p.m. at The Barn at Tyge William Cellars, 150 Wagner Rd., Sonoma. The environmental document will be finalized this fall, according to CalTrans associate environmental planner Arnica MacCarthy.

Caltrans is still accepting public comments on the State Route 121 project until June 8. Email comments to

The project is immediately south of the Bonneau intersection of 121 (Fremont Drive) and 116 (Arnold Drive) known as Big Bend. That intersection has been studied by the Sonoma County Transit Authority and CalTrans to install a hybrid multilane roundabout, currently in its final planning stages.

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