Road Work

Drivers can expect delays and road closures this summer during improvements to Lane 6 North between Mosca and the Great Sand Dunes National Park and Preserve.

The route is approximately 16 miles long and is an east-west connector between State Highways 17 and 150. The route provides access to Great Sand Dunes National Park and Preserve, San Luis State Wildlife Area, Zapata Falls, Bureau of Land Management lands, and Forest Service lands. The proposed improvements include resurfacing, restoration, and rehabilitation of the roadway.

The project will impact traffic and eliminate through access beginning May 15 and continuing to September 1, 2022. The project is divided into East and West Sections and each section will experience full closure of both lanes 24 hours per day as noted below. During this period, visitors to the Great Sand Dunes National Park and Preserve should avoid Lane 6 and instead detour south to US Hwy 160. The road will be completely open, 24 hours a day, from May 27 – June 5 to provide access during and after Memorial Day weekend.

General information on the construction project can be found HERE.

Great Sand Dunes and Alamosa County will provide updates through the county and park’s Twitter accounts, @GreatSandDunes @Alamosa_County using #Lane6NUpdates

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