08/07/2026 | Press release | Archived content
Contra Costa County - Caltrans has updated the traffic management after emergency shut down the southbound direction of the Appian Way Over Crossing to conduct a detailed inspection and repairs. One lane of the westbound I-80 Appian Way off ramp remains closed, and left turns from westbound Interstate 80 (I-80) are not permitted. Additionally, Caltrans has closed the northbound Appian Way left turn lane to the westbound I-80 on ramp for the safety of our workers and the motoring public. The closure is tentatively scheduled to reopen by 5 a.m. Monday, August 10, 2026.
Detour SB Appian Way:
Detour NB Appian Way to Westbound 80:
Important Notes
Caltrans will update its X page at https://twitter.com/CaltransD4 on the latest highway conditions, and drivers are encouraged to check out QuickMap http://quickmap.dot.ca.gov/. Thank you for your patience as we work to maintain our state's highways, bridges, and tunnels.