On Nov. 29, at approximately 2:10 p.m., an ISP trooper conducted a commercial motor vehicle inspection on a Volvo truck-tractor semi-trailer combination on Interstate 80 eastbound in Henry County.

CHICAGO (CBS) -- Two people from Canada have been arrested on drug charges, after Illinois State Police seized more than $40 million worth of cocaine from a semi-trailer truck near the Iowa state line on Friday. Police said, around 2:10 p.m., a trooper conducted a vehicle inspection on a Volvo semi-trailer on Interstate 80 in Henry County.

Illinois State Police arrested two Canadian residents after seizing more than 1,100 pounds of cocaine worth an estimated $40 million from a semi-trailer along Interstate 80 near the Illinois-Iowa border,