( KTRS ) Nearly a pound of heroin headed from Chicago to St. Louis was intercepted by authorities, when the man transporting it was stopped for speeding in Montgomery County.

Authorities allege that the motorist, who resides in the Chicagoland area, was in possession of 439 grams of heroin and 42 grams of cannabis, when his car was stopped for on interstate 55 for speeding in Litchfield, IL. The vehicle initially fled the traffic stop and then pulled back over a couple miles down the interstate. The Illinois state trooper requested a K9 unit help search the two miles of interstate. The drugs, bundled in zip-lock and vacuum sealed bags, were found just 1/2 mile from where the individual was first stopped

Montgomery County State’s Attorney Chris Matoush officially charged the motorist with possession of heroin, possession of cannabis, fleeing and attempting to elude a police officer and several other charges.

The suspect is currently being held on $150,000 bond and if convicted, faces up to a maximum of 40 years in prison.