The Illinois State Police announced the arrest of Ronald Coleman, 43, of California, on Friday.
According to the US Department of Justice, Coleman was driving a semi truck that was pulled over on Interstate 88 near Morrison. During the traffic stop, a K9 was able to sniff out the presence of drugs.
Police uncovered two suitcases containing 91 kilograms of cocaine with a value of $1.8 million.
Authorities say Coleman was transporting the drugs from California to Chicago for further distribution.
He faces a charge of Possession with Intent to Distribute Cocaine. He faces a sentence of life in prison if convicted.
Coleman is in custody at the Winnebago County Jail.