State Highway 151 to be restricted to one lane over Keystone Dam<br />
TULSA, OK – The U.S. Army Corps of Engineers today announced that State Highway 151 will be restricted to one lane of traffic over Keystone Dam from Feb.13 through March 9, 2026.<br />
The lane restriction will support crew safety during soil sampling activities along the dam.<br />
Traffic will be maintained, but motorists should expect potential delays. Signage will be in place, and drivers are encouraged to plan additional travel time.<br />
Closures may be subject to change.<br />
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01.29.2026 | TULSA, OKLAHOMA, US |
Story by Stacey Reese
TULSA, OK – The U.S. Army Corps of Engineers today announced that State Highway 151 will be restricted to one lane of traffic over Keystone Dam from Feb.13 through March 9, 2026.
*Note This Article has been updated to reflect 15 day comment period from Feb. 2, 2026 to Feb. 16.
The U.S. Army Corps of Engineers, Tulsa District released the draft supplement to the Keystone Lake Master Plan, Jan. 26, 2026.
The 15-day public comment period for the supplement begins, Feb. 2 and ends Feb. 16, 2026.
Comments must be submitted in writing by Feb. 9, 2026.
Ice continues to cover the Caney River area at the Hulah Dam outflow where the staff checked low flow releases Jan. 27, 2026.
U.S. Army Corps of Engineers, Tulsa District personnel continue to monitor infrastructure across the district to ensure public safety and reliable operations of the projects. (U.S. Army Corps of Engineers photo by Brandon Moehrle)
Just hours before the Jan. 23 Winter Storm hit Tulsa and surrounding areas, U.S. Army Corps of Engineers, Tulsa District Senior Controller, Nick Hicks was on duty, waiting for the call to activate hydropower units if power was needed from the Fort Gibson Powerhouse in Fort Gibson, Okla.
U.S. Army Corps of Engineers, Tulsa District powerhouse personnel are responsible for maintaining and activating hydropower units when the grid needs peak power.
Fort Gibson is one of eight Tulsa District powerhouses that can provide peak power to the electric grid in 15 minutes or less. Their efforts help ensure municipalities and end users have electricity when demand is highest.
