Contra Costa County — Caltrans has shut down the southbound direction of the Appian Way Over Crossing indefinitely to conduct a detailed inspection. One lane of the westbound I-80 Appian Way off ramp is also closed, and left turns from westbound Interstate 80 (I-80) are not permitted. All other on and off ramps remain accessible.
Detour Details:

Detour SB Appian Way:
- Westbound I-80 travelers will take the Fitzgerald/Richmond Parkway exit
- turn left cross over the overpass then keep straight to access the western end of Fitzgerald or reenter I-80 Eastbound
- take the Appian Way exit to access the eastern end of Fitzgerald and Appian Way.
Detour NB Appian Way to Westbound 80:
- From NB Appian Way take the I-80 Eastbound to Pinole Valley Road Exit
- Turn left at the light
- Turn left on the I-80 westbound on ramp.
Important Notes
- Caltrans has turned on Changeable Message Signs (CMS) to notify the public and are activated on Westbound Interstate 80 (I-80).
- No estimated time for reopening.
Caltrans will update its X page at https://x.com/CaltransD4 on the latest highway conditions, and drivers are encouraged to check out QuickMap https://quickmap.dot.ca.gov/. Thank you for your patience as we work to maintain our state’s highways, bridges, and tunnels.
Be Work Zone Alert and expect travel delays.
For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.
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