Caltrans will be performing major road work on northbound state route 242 through Concord on the weekends of July 9-12 and July 16-19. The work will require full and partial highway closures for several days at a time.
Northbound SR-242 is scheduled to be closed starting on Friday, July 9 at 10:00 p.m. until Monday, July 12 at 10:00 a.m. A second weekend closure is scheduled starting on Friday, July 16 at 10:00 p.m. until Monday, July 19 at 10:00 a.m.
During these closures, northbound SR-242 will be fully closed overnight, but one lane will be re-opened on northbound SR-242 during the daytime.
Northbound SR-242 will be closed both weekends between the SR-242/I-680 separation and the Concord Avenue onramp in Concord. The Concord Avenue on ramps to northbound SR242 will remain open during these closures. The Clayton Road off ramp from northbound SR-242 will be closed from Friday night until Sunday morning each weekend.
During the closures, motorists heading eastbound toward Pittsburg and Antioch are advised to use Northbound I-680 to connect with Eastbound State Route 4 (SR-4).
Local traffic is advised to use alternate routes including Monument Boulevard, Willow Pass Road and Concord Avenue. Motorists should watch for detour signs and expect weekend traffic delays on Willow Pass Road, Monument Boulevard and Concord Avenue.
more information on the Caltrans NB SR-242 Rehabilitation Project Concord, here