KAY COUNTY, Oklahoma - The Oklahoma Department of Transportation says Interstate 35 is open between SH-11 (mm 22) at Blackwell and Braman in Kay County after an accident caused the highway to close for a few hours Monday. 

According to the report, a semi had overturned in the center median. 

Both northbound and southbound lanes were closed as of 6 a.m. 

All lanes have reopened.