Colorado State Patrol said a driver died in a single-car rollover crash along Interstate 25 near the Air Force Academy early Friday.

Trooper Hunter Mathews said a call came in around 6:15 a.m. about a yellow Chevrolet sedan driving southbound on the exit 156 on-ramp, which leads into the north entrance of the Air Force Academy. When troopers arrived, they found the crash and the driver, who was pronounced dead on scene.

As of 8 a.m. Friday, the on-ramp at North Gate Boulevard remained closed, but Mathews said it was expected reopen soon.

State Patrol had no preliminary findings on what caused the crash.

Traffic cameras from the Colorado Department of Transportation showed that traffic flow along southbound I-25 was not impacted after 8 a.m.