EconomyAlaska · June 6, 2026
the valley's big detour
If you drive Trunk Road or Palmer-Fishhook, your summer commute is about to get complicated.
Daily Alaska staff · June 6, 2026
The intersection of Trunk Road and Palmer-Fishhook Road in the Mat-Su Valley will close completely for up to 18 days this summer as the Alaska Department of Transportation and Public Facilities builds a new single-lane roundabout, according to the agency's project page.
The closure means commuters between Palmer, Wasilla, and the Fishhook area, along with anyone heading to Hatcher Pass for a summer weekend, will need to plan for longer drive times and reroute around the construction.
The full shutdown is targeted for mid to late June, once seasonal road weight restrictions lift.
Northbound drivers will use a temporary access road in front of the Valley Country Store. Southbound traffic will detour on the Glenn Highway through Palmer.
The project is meant to replace a stop-sign intersection that has long been icy in winter and has seen more collisions than a typical corner, with a roundabout that keeps traffic flowing without stopping.
In this story
Evidence
Sources
Claims and where they come from
- The Trunk Road and Palmer-Fishhook Road intersection will close completely for up to 18 days. · dot.alaska.gov
- Crews are converting the intersection into a single-lane roundabout. · dot.alaska.gov
- The full closure is targeted for mid to late June, once seasonal road weight restrictions lift. · dot.alaska.gov
- Northbound traffic will detour on a temporary access road in front of the Valley Country Store, and southbound traffic will detour on the Glenn Highway through Palmer. · dot.alaska.gov
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