Possible route delays on Route 3 Tillamook to Cannon Beach. A project replacing the entire Arch Cape Tunnel lighting system begins this week (1-7-20) and construction is expected over the next four months.
There will not be complete closures of the tunnel during construction. Flaggers will control two-way traffic. Travelers should expect one lane closures during weekdays, Monday through Friday, from 7:30 a.m. to 5 p.m.
Travelers should expect up to 20 minute delays. There will be no weekend lane closures.