I-5 & SR 548 - Tributaries to California Creek - Fish Passage - Detour routes

Road closures are required for work on SR 548 and at Zell Road just east of I-5, north of Ferndale. Signed detours will be in place. 

A map showing the Zell Road detour.
Zell Road will close just north of Willeys Lake Road for nine days in summer 2020, requiring this detour.

A map showing the SR 548 detour
The intersection of SR 548 and Portal Way will close for five days to replace a culvert under SR 548, requiring detours. SR 548 will remain open for local access east of Vista Road. Portal Way will be open for local access only north of Brown Road and south of Birch Bay-Lynden Road.