I-40 reopens near Ash Fork

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PHOENIX  -- The Arizona Department of Public Safety says all lanes of Interstate 40 are once again open at Ashfork.

A collision occurred between two commercial vehicles on eastbound Interstate 40 about nine miles west of Williams before 3 a.m. Wednesday.

DPS spokesman Bart Graves said one of the semi trucks involved in the accident caught fire. The truck was carrying a load of hazardous materials including lighter fluid and 300 pounds of an unknown corrosive material.

There are no reports of any serious injuries. The driver and co-driver of the second vehicle were transported to Flagstaff Medical Center for minor injuries.

DPS says driver fatigue is an apparent factor in the crash. Investigators believe the first commercial vehicle, owned by Schneider National Inc., was traveling well below the posted 75 mph speed limit. The second commercial vehicle was traveling behind at a higher rate of speed and rear-ended the first truck.

Experts on scene said the fire did not pose a threat to air quality.

I-40 was closed for about four hours early Wednesday.