Contra Loma Blvd and L Street closure this week
The California Department of Transportation (Caltrans) and the Contra Costa Transportation Authority (CCTA) are widening State Route 4 (SR-4) through Pittsburg and Antioch. As part of this construction work, the contractor is demolishing the inactive portion of the existing SR-4 bridge structure over Contra Loma Boulevard/L Street. In order to ensure crew and public safety during this work, the contractor will close all lanes of Contra Loma Boulevard/L Street in the northbound and southbound directions between the westbound SR-4 on-ramp and the eastbound SR-4 off-ramp on Monday through Thursday evenings, May 20-23 from 11:00 pm to 5:00 am.
The detours for this work will be as follows:
Monday through Wednesday Evenings
o Northbound motorists will be directed right on Fitzuren Road, left on G Street, left on 18th Street, left on L Street, right on westbound SR-4 on-ramp. Motorists will have the option to turn right onto L Street from 18th Street.
o Southbound motorists will be directed right on westbound SR-4 on-ramp, exit on Somersville Road/Auto Center Drive loop off-ramp, right on Somersville Road, left on Delta Fair Boulevard, left on Buchanan Road, straight to Contra Loma Boulevard. Thursday Evening Only
o Northbound motorists will be directed right on Fitzuren Road, left on G Street, left on 18th Street, left on L Street, right on westbound SR-4 on-ramp. Motorists will have the option to turn right onto L Street from 18th Street.
o Southbound motorists will be directed right on westbound SR-4 on-ramp, exit on Somersville Road/Auto Center Drive loop off-ramp, left on Auto Center Drive, left on Century Boulevard, left on Delta Fair Boulevard, left on Buchanan Road, straight to Contra Loma Boulevard.