The service road of the North Freeway inbound at Hardy Toll Road is expected to be closed for at least five more hours due to an 18-wheeler accident, according to TxDot.

The accident happened around 3:30 a.m. Friday., but the scene is not expected to be clear until around 11 a.m.

An 18-wheeler hydroplaned and hit an outside wall, and fuel was spilled from the truck. 

An environmental cleanup crew is on the scene.