Contra Costa Air Quality

Click image to enlarge As part of the City’s Golf Club Road/Old Quarry Road Improvement Project, there will be road closures (near Diablo Valley College) between November 10 and November 19. Old Quarry Road Closure Old Quarry Road will be temporarily closed between Golf Club Road and Chilpancingo Parkway starting at 8 a.m. on November 10 (Friday) through 6 p.m. on November 12 (Sunday), and between 8 a.m. on November 17 (Friday) through 6 p.m.... Read the rest
The California Department of Transportation and the Contra Costa Transportation Authority are constructing two new connector ramps, one connecting westbound State Route 4 (SR-4) to northbound SR-160, and one connecting southbound State Route 160 (SR-160) to eastbound SR-4 in Contra Costa County. Part of this construction work entails adjustment of temporary bridge supports that span over SR-4. In order to ensure crew and public safety during this work, the contractor will close all lanes of SR-4 in the eastbound and westbound directions between the SR-4/SR-160 connector ramp and Laurel Road.... Read the rest