California State Route 281

State Route 281 is a partially constructed state highway in Lake County, California, United States. It is a northeastern loop off of State Route 29 along the edge of Clear Lake.Route descriptionThe route currently begins at Clear Lake from Soda Bay Road and heads east. After three miles, it meets its east end at State Route 29.The planned segment west along Soda Bay Road to Lakeport remains unconstructed. This portion of Soda Bay Road is currently Lake County Route 502.SR 281 is not part of the National Highway System, a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.