Hyalite Road Closed to All Motorized Traffic Through May 15

The road up to Hyalite is officially closed to motorized vehicles through May 15, 2021. The road will reopen on May 16. Each year, the Hyalite Canyon Recreation Corridor is closed to motorized use for spring breakup road and hillside stabilization work.

Hyalite is one of the most popular recreation destinations in Montana and receives an overwhelming amount of traffic, and traffic has increased substantially over the past year.

The annual spring closure of Hyalite Canyon road to motorized traffic begins this Wednesday night. If you are heading up for one last adventure be aware that road conditions are currently very icy.

Posted by Custer Gallatin National Forest on Monday, March 29, 2021

During the spring, snowmelt and thawing causes the subgrade to become saturated and can’t support repeated motorized traffic, which can increase surface cracking and potholes. While the road will be closed to motorized travel, you can still enjoy Hyalite in a non-motorized way, like hiking, running, and biking.

The Upper Hyalite Road Construction project will continue this summer. Crews hope to have the project completed by September 2021. During the summer construction, the road above the dam is projected to remain open, but with frequent delays expected throughout the summer season. Traffic lights and

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