Categories: EnvironmentalNews

Roadwork all summer long in Grand Teton NP

JACKSON HOLE, WYO – Pavement preservation work on US Highway 89 and other areas in Grand Teton National Park are scheduled to begin Thursday, May 16, depending on weather. Friday’s forecast looks to bring a good chance of rain throughout the day, so watch for a change in scheduling.

Travelers should expect up to 15-minute daytime delays as chip-seal activities get underway. Work on US Highway 89 will begin at the park’s southern boundary and continue northbound throughout the year, extending to the south gate of Yellowstone National Park. Roadwork is dependent upon weather and temperature conditions.

The park-wide pavement preservation project will be ongoing throughout summer. Crews hope to be done by the end of September. Visitors will see increased construction signage and equipment staging throughout the park.

The project is funded and managed in partnership with the Federal Lands Highway Program. The contract for the project was awarded to Intermountain Slurry Seal of Salt Lake City, Utah. Activities include patching holes and sealing cracks in the pavement surface, applying a chip seal or micro seal on the road surface, followed by a fog seal to reduce airborne gravel. Striping will be the final action.

The chip-sealing work is a rolling construction operation that will gradually proceed from south to north on US Highway 89. Visitors can expect temporary delays and reduced speed limits in these mobile construction zones. Work at parking lots will be managed by sections so that a portion of the lot will always be accessible.

Chip-sealing is a cost-effective way to provide an improved road surface and preserve the underlying pavement. When proactive preventative maintenance activities are completed on park roads, more serious and costly damage to the pavement structure will be averted.

Roadwork will generally occur between 7am and 8pm, daily, including weekends. No work will be done Saturday through Monday of Memorial Day Weekend, May 25-27; or over the Independence Day holiday, Wednesday through Sunday, July 3-7.

Where and When

US Highway 89/191/26

South Boundary to Antelope Flats
Begin mid-May and complete by July
Expect 15-minute delays from 7 a.m. to 8 p.m
Expect possible 30-minute delays from 8 p.m. to 7 a.m. later this summer

Antelope Flats to East Boundary near Moran
Completed by mid-July
Expect 15-minute delays from 7 a.m. to 8 p.m
Expect possible 30-minute delays from 8 p.m. to 7 a.m. later this summer

Moran Junction to south gate of Yellowstone National Park
Begin late August and completed by early September
Expect 30-minute delays from 7 a.m. to 8 p.m
Expect possible 30-minute delays from 8 p.m. to 7 a.m.

Park Roads

Craig Thomas Discovery and Visitor Center Parking
Begin May 15 and complete by July
Work will be completed in two phases to allow for visitor parking and access.

Gros Ventre Road (Kelly Road)
Begin late May and complete by July
Expect 15-minute delays

South Jenny Lake Access Road and Parking
Begin early June and complete by July
Work will be completed in four phases to allow for visitor parking and access.

Colter Bay Entrance Road
Completed by mid-July
Maximum 15-minute delays

Colter Bay Visitor Center Parking
Completed by mid-July
Work will be completed in six phases to allow for visitor parking and access.

Leeks Marina Access Road
Prior to June 15 or after September 15, or completed at night 8 p.m. to 7 a.m
Maximum 15-minute delays during daytime hour
Work on the Leeks Marina Access Road and the Colter Bay Entrance Road will not be performed concurrently.

Updated road status and conditions will be available by calling the park road information line at 307-739-3682 and on the park’s Facebook and Twitter accounts.

In addition to the pavement preservation work, the final phase of emergency repairs related to the June 2017 washout of the Gros Ventre Road will occur late this summer. Work is expected to begin in late July and continue into November. Traffic delays associated with the Gros Ventre Road repair project will be limited to 15 minutes between 5am and 9pm.

The work will focus on realigning the road to restore the original 45 mph speed limit and replacing the concrete barriers with a guardrail. Additional stream bank armoring will occur upstream and downstream from the work that was completed in the fall of 2017.

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