Contra Costa County – Caltrans has ongoing paving and repair work scheduled on Eastbound State Route 4 (SR-4). Motorists traveling Eastbound Interstate 80 (I-80) toward eastbound State Route 4 (SR-4) will be detoured. State Route 4 on-ramps from EB I-80 closed.
Closure Schedule:
- Friday, October 10th -7 PM to 6 AM
- Saturday, October 11th – 7 PM to 6 AM
- Wednesday, October 15th – 7 PM to 6 AM
- Thursday, October 16th – 7 PM to 6 AM
- Friday, October 17th – 7 PM to 6 AM
- Saturday, October 18th – 7 PM to 6 AM
Direct Route via EB I-80:
1. Continue east on I-80 to the Cummings Skyway exit.
2. Exit onto Cummings Skyway Rd.
3. Turn right onto Cummings Skyway Rd.
4. Turn right onto the EB Highway 4 onramp.
5. Commuters from NB/SB San Palo to EB SR-4 should take EB I-80 onramp and exit at Cummings Skyway to EB-SR-4.
All work is weather-dependent and subject to change.
Please follow posted signs and detour routes during the closure periods. Westbound SR-4 traffic is not expected to be affected. Motorists are advised to expect delays and allow extra time.
For 24/7 traffic updates, follow 511.org on Twitter. For real-time traffic, visit Caltrans QuickMap.
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