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As Grand Teton National Park approaches its centennial in 2029, parkwide construction projects are improving roads, trails, and visitor facilities to support continued access and stewardship for generations to come.
Project timelines and impacts are subject to change. Consult the information below to help plan your trip. Stop by a visitor center for the lastest information. Construction information updated August 11, 2026.
Plan Around Construction
View of Swan Pond
NPS / J. Bonney
Visit the Trip Ideas page for suggestions on how to make the most of your time at Grand Teton National Park!
For easiest access, enter through the Moran Entrance Station.
Lakeshore Trail, Hermitage Point Trail, and Heron Pond Trail are great hikes with rewarding views.
Colter Bay is the perfect hub for park exploration and lakeside recreation.
Colter Bay Village has a visitor center, ranger programs, restaurants, watercraft rentals and more!
Highway 26/89/191
Also called the Outer Park Road, the highway will be open.
One of the most scenic drives in Wyoming, the Outer Park Road offers many overlooks and photo opportunities.
Find park rangers and volunteers along the way!
Follow posted speed limits and be alert for wildlife at all times of day and night.
North Park Road with cars transiting through construction area. Timed traffic lights are in operation with 15-min delays during the day and 1-hour delays at night.
NPS /S. Morgan
Current Construction Areas
Anticipated disruptions from June 19 - September 7 are listed below. For road information and updates check the road status page and alerts and conditions page.
Project timelines and impacts are subject to change. Note that access to minor areas including turnouts, viewpoints, and other parking areas may be reduced to facilitate major construction projects nearby. Stop by a visitor center on the day of your visit for more information.
Construction Progress
Find the latest information about some of the various construction projects taking place this summer. Not all projects are listed. For more information, go to a park visitor center or check the park alerts page.
Construction equipment can be seen operating at the current intersection of the Teton Park Road and Menor's Ferry Road, just north of the Moose Entrance Station.
NPS/S. Morgan
Project Status - Teton Park Road Roundabout
Teton Park Road Roundabout at Moose Entrance Station is underway, with delays of up to 20 minutes expected. Construction equipment can be seen alongside the Teton Park Road.
Weekday closures of the Menor's Ferry Road, which provides access to the Menor's Ferry Historic District and Chapel of the Transfiguration, are in place. Parking for these destinations on weekends is reduced due to construction staging and material storage.
As of 7/29/26
Construction fencing in front of TA Moulton Barn. Ongoing construction is expected to impact the viewshed (as seen here) and soundscape of the area.
NPS/S. Morgan
Project Status - Mormon Row Historic District
Construction at the Mormon Row Historic District has entered it's next phase, with work starting on access pathways at the TA Moulton Barn.
Access to fenced off areas is not permitted.
As of 7/29/26
Upcoming Construction Schedule near Moose
NPS
Map and schedule of construction. The numbers on the table correspond with the numbers on the map.
Detailed Information for 2026 Projects
North Park Road
Project Details: Teton Park Road will undergo structural improvements between Leeks Marina and Lizard Creek Campground to help correct pavement buckling and erosion. The section of road is about 7 miles north of Colter Bay and 11.5 miles south of Yellowstone.
Timeframe: August 2026
Type of Impact: Delay
Ancticipated Summer 2026 Schedule
Day: Delay of 15 minutes, 6 a.m.-9 p.m.
Night: Delay of 1 hour, 9 p.m.-6 a.m.
Traffic will be controlled with a temporary stop light and alternating one lane of travel.
Moose-Wilson Road Phase II
Project Details: Moose-Wilson Road will be re-aligned north of Sawmill Ponds to meet the new Teton Park Roundabout. Portions will be closed to facilitate safe transport of equipment and materials to Death Canyon Road.
Timeframe: May 2026 - 2027
Type of Impact: Delays and closures
Ancticipated Summer 2026 Schedule
May 1 – June 19: Closure between Laurance S. Rockefeller Preserve and Moose.
June 20– September 7: Delay of 45 minutes or longer with temporary closures possible between Laurance S. Rockefeller Preserve and Moose.
September 8 – November 15: Closure between Laurance S. Rockefeller Preserve and Moose.
Illustration of new Death Canyon Trailhead.
NPS
Death Canyon Road & Trailhead
Project Details: Death Canyon Trailhead will be relocated about one mile from its current location. The trailhead will feature restrooms, hiker staging area, and about ninety paved parking spots. Death Canyon Road will be paved, shortened one mile, and end at the new trailhead. The decommissioned portion of road will be turned into an extension of the Valley Trail for access to Phelps Lake Overlook and Death Canyon. Hikes into Death Canyon and beyond will be longer as a result.
Timeframe: May 2026 – June 2027
Type of Impact: Closure
Notes: Access to Phelps Lake, Death Canyon, and destinations beyond will still be possible from alternative trailheads, including Granite Canyon and Jackson Hole Mountain Resort. Parking will be limited at the Laurance S. Rockefeller Preserve, with long wait times anticipated.
Illustration of new Teton Park Road roundabout.
NPS
Teton Park Road Roundabout
Project Details: Teton Park Road will feature a new roundabout just north of the Moose Entrance Station at the current intersection of Menor’s Ferry Road and the Teton Park Road, enabling northbound Moose-Wilson Road traffic to transition seamlessly to the Teton Park Road without passing through another entrance station.
Timeframe: May 2026 – June 2027
Type of Impact: Delay and Closure
Ancticipated Summer 2026 Schedule
May 1 – November 15: Delay of 20 mins, not including entrance station wait time.
Taggart Lake construction overview.
NPS
Taggart Lake Trail & Trailhead
Grand Teton National Park and the Grand Teton National Park Foundation are working together to renew the Taggart Lake Area.
Taggart Lake Trail, Trailhead, and adjacent areas are undergoing work to improve the visitor experience while safeguarding delicate natural resources at this popular destination.
Taggart Lake Trailhead will remain open throughout this season, though visitors will see ongoing construction work nearby. Trail work on the more popular shorter route to the north is underway and will last the season. This section of the trail will be closed all season. Visitors can access Taggart Lake from the south via the longer steeper route (4.24 miles / 711 feet elevation gain - one way).
Cottonwood Creek Picnic Area will also undergo a refresh later in the summer.
Illustration of new Taggart Lake Trailhead.
NPS
Project Details: Taggart Lake Trailhead will be redeveloped to accommodate 140 vehicles, including designated spots for horse trailers and campers. Additional features will include a new hiker staging area, restrooms, and water bottle filling station. The easier shorter route to Taggart Lake from the north will be closed for renewal in 2026.
Timeframe: May 2026 - 2027
Type of Impact: Partial Closure
Notes: Taggart Lake will only be accessible to hikers from the south, via the longer steeper route (4.24 miles / 711 feet elevation gain - one way).
For your safety, do not enter closed areas or use trails that are under construction.
Illustration of new Mormon Row parking lot and visitor facilities.
NPS
Mormon Row Historic District
Project Details: Mormon Row Historic District access will be improved with the development of a paved parking lot with designated tour bus parking, restrooms, and shade structures. The area near historic buildings will be improved with designated trails and viewing locations to protect natural and cultural resources that are prone to damage in the area. In 2027, a new Grand Teton Association facility will complete the project.
Timeframe: June 2026 - November 2026
Type of Impact: Pedestrian access to some historic structures, including TA Moulton Barn, may be limited.
Notes: Visitors will likely hear and see construction equipment in the vicinity of the historic district impacting the viewshed and soundscape of the area. Some historic structures may be inaccessible.
Rendering of new Mormon Row viewing area and pathway.
NPS
Rendering of new Mormon Row viewing area and pathway.
NPS
Common Construction Questions
Find answers to commonly asked questions about the construction taking place this summer.
Construction takes place during the warmest months of the year, as it is otherwise impossible to carry out work due to signifficant snow fall, sub-zero temperatures, and other factors during winter months which limit site access, endanger worker safety, and make material transport difficult.
Construction projects taking place this summer are largely related to one another. For example, three seperate work sites in the southern region of the park are all a part of the Moose-Wilson Rd. construction. Improvement projects are being carried out ahead of Grand Teton's centennial in 2029 in an effort to ensure public access while protecting important resources during this landmark year - and for the next 100 years.
Construction timelines and schedules have been made to maximize the warm weather, attempting to complete as much work as possible to ensure project completion and redcued visitor impacts in future seasons.
Last updated: August 12, 2026
Park footer
Contact Info
Mailing Address:
P.O. Box 170
Moose,
WY
83012
Phone:
307-739-3399
Talk to a Ranger? To speak to a Grand Teton National Park ranger call 307–739–3399 for visitor information Monday-Friday during business hours.
