(WAND) – A driver was air-lifted after a bad crash on Interstate 55 in Macoupin County Wednesday morning.

Illinois State Police troopers were called to I-55 northbound south of Staunton Road at 10:47 a.m.

Troopers said the crash involved two semi-trailers. One rear-ended the other.

One driver was air-lifted to the hospital with injuries.

A load of grain spilled onto the roadway. Northbound traffic was diverted off at IL-4.