The ramp to Southbound U.S. 68 from I-35 is closed after a hazardous materials incident.
Initial reports indicated that the truck was leaking a corrosive agent but officials later said it doesn't appear anything leaked. The trailer flipped on its side but the cab remained upright.
— Giovanni Garcia (@giovanniggarcia) August 15, 2017
Dozens of crews are on the scene. There are no reports of injuries.
It's not yet clear what caused the crash.