The California Department of Transportation (Caltrans) and the Contra Costa Transportation Authority (CCTA) are widening State Route 4 through Pittsburg and Antioch. As part of the construction work, the contractor for the Somersille Road Project will close all lanes on eastbound State Route 4 at Somersville Road for several hours on Tuesday, March 20, from 11:59 p.m. to 5 a.m.
For the most current information on all State Route 4 closures, visit
www.widensr4.org.