Road Information
Know before you go: National Weather Service - Caltrans Social Media - QuickMap Real-time Travel Information
Check Current Highway Conditions
This highway information is the latest reported as of Tuesday, October 27th, 2026 at 05:24 AM.
SR 4
[IN THE CENTRAL CALIFORNIA AREA]
Is closed from Balfour Rd to Byron Highway /in Baypoint/ (Contra Costa Co)
from 1900 hrs each night to 0500 hrs each morning Monday thru Friday thru
10/30/26 - Due to construction - Motorists are advised to use an alternate
route
Is closed from Sellers Ave to Bixler Way /in Discovery Point/ (Contra Costa Co) from 1900 hrs each night to 0500 hrs each morning Monday thru Friday thru 10/30/26 - Due to construction - Motorists are advised to use an alternate route
1-way controlled traffic at various locations from the Jct of SR 99 /in Stockton/ (San Joaquin Co) to 7.2 mi east of the San Joaquin/Stanislaus Co Line /at Hoods Creek/ from 2000 hrs each night to 0700 hrs each morning Sunday thru Friday thru 10/30/26 - Due to construction