The Oklahoma Highway Patrol says a semi crash and fire closed the westbound lanes of the Will Rogers Turnpike near the Afton exit for several hours early Wednesday.
The crash scene is three miles east of Afton.
The OHP says the semi was carrying a material called sodium methylate which caught on fire after the 3:50 a.m. crash. Several area fire departments were called to put out the fire.
Troopers said no injuries were reported.
Westbound traffic was diverted off the turnpike at the Miami exit. The westbound lanes were reopened to traffic just before 6:30 a.m.
No word yet on what caused the rollover crash.
News On 6 has a crew on scene and will have more details as they are released.