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Contra Costa I-80 Pavement Rehab Project

Map showing the project area of the I-80 Pavement Rehabilitation Project in Contra Costa County. The project area exists between Hercules and Crockett.Caltrans District 4 (Bay Area) has scheduled four separate weekend closures of eastbound and westbound Interstate 80 (I-80) between Hercules and Crockett.  These closures will occur on four different summer weekends between mid-July 2023 and early September 2023. The 55-hour weekend and 105-hour holiday full highway closures will enable Caltrans to perform major pavement repair work on eastbound and westbound I-80 in Contra Costa County. One traffic direction on I-80 will be worked on at a time.

Eastbound I-80 Full Highway Closures at SR-4

Weekends of July 21, August 4 and August 18, 2023

Three weekend closures on eastbound I-80 are tentatively scheduled on the weekends of July 21, August 4 and August 18. Eastbound I-80 will be closed and traffic detoured beginning at the eastbound I-80/SR-4 interchange in Hercules. Closures will tentatively start Fridays after 9 p.m. and conclude on the following Mondays no later than 4 a.m. Caltrans will share additional details, detour information and specific times with the public as soon as they are available.

Eastbound I-80 Closure Detour Directions

  • From EB I-80 to SR-4 in Hercules, exit onto eastbound SB-4.
  • Then continue on eastbound SR-4 to northbound I-680.
  • Then continue on northbound I-680 past Benicia.
  • Then re-enter eastbound I-80 in Fairfield.

Eastbound I-80 Additional Detour Options

  • I-780 remains open.
  • Cummings Skyway remains open.

Map showing the eastbound detour route for the I-80 Pavement Rehabilitation Project in Contra Costa County.

Westbound I-80 Full Highway Closures at I-780

Labor Day Weekend-August 31 until September 5, 2023

A 105-hour full highway closure of westbound I-80 is tentatively scheduled on Labor Day weekend starting on Thursday, August 31 and concluding on Tuesday, September 5, 2023.  Westbound I-80 will be closed and traffic detoured beginning at the westbound I-80/I-780 interchange in Vallejo. Closures will tentatively start Fridays after 9 p.m. and conclude on the following Mondays no later than 4 a.m. Caltrans will share additional details, detour information and specific times with the public as soon as they are available.

Westbound I-80 Closure Detour Directions

  • From WB I-80 at I-780 in Vallejo, exit onto eastbound I-780.
  • Then continue on eastbound I-780 past Benicia.
  • Continue on southbound I-680 towards Concord.
  • Exit onto westbound SR-4 towards Richmond/Hercules.
  • Re-enter westbound I-80 from westbound SR-4 in Hercules.
Map showing the westbound detour route for the I-80 Pavement Rehabilitation Project in Contra Costa County.

Why the work is needed?

These full weekend and holiday closures are necessary for worker and public safety during the work. Caltrans will perform major pavement rehabilitation work on the two center traffic lanes in both the eastbound and westbound directions of I-80. The roadway has become worn and in need of major repairs due to decades of high traffic use.

Closing I-80 during weekends and holidays instead of 9 months of nightly closures.

These closures will allow for concrete pavement in traffic lanes #2 and #3 to be replaced. These closures will shorten the duration of the project by nine months providing an improved ride quality will be available to the public much sooner. These series of weekend and holiday I-80 closures will reduce the number of overnight lane closures needed to complete this work this summer instead of completing in late 2024. 

Additional information will be provided as soon as more detailed information is available.

Caltrans thanks the public for its patience as we work to maintain our state’s highways.