An early morning crash in the South Valley forced the closure of northbound Highway 99 on Wednesday.
Hazardous material spilled out of a big rig and crews are working to clean it up.
As of noon, the northbound lanes were still closed at Avenue 24, about 3 miles north of Delano.
You can check the status on the California Department of Transportation website by clicking the related link and enter number 99 in the search box.