DOUGLAS COUNTY, Colo. - Northbound Interstate 25 is closed at mile marker 190 near Castle Pines.
A tractor-trailer rolled on the highway at 12:17 p.m., according to South Metro Fire and the Colorado Department of Transportation.
I-25 is closed between Surrey Ridge and Ridgegate Parkway, according to CDOT.
Traffic is being diverted off the highway at mile marker 188.
CDOT officials said there is a small fuel leak that needs to be cleaned up.
No one was hurt in the crash, officials said.