Triptych of three images: left shows a parking lot with cars and empty parking spaces; center shows a green sign welcoming to Illinois with farmland in the background; right shows a busy city highway with tall buildings and a blue highway sign for Interstate 290.

Your Resource for the Illinois Vehicle Emissions Testing Program

Typically, testing sites are busiest on Saturdays and the last week of each month. It is recommended for motorists to test their vehicle on the middle days of the month.

Motorists

Repair Industry