Vehicle Emissions Testing Residents of Davidson, Rutherford, Sumner, Williamson, and Wilson counties must have their vehicles inspected. Take your car for emissions testing before you attempt to get your license plate, otherwise you'll just be wasting a lot of time. Also take your title or old registration information or, if you've been through this before, bring the renewal information that was mailed to you. The emissions testing centers are open 7 a.m.-6 p.m. The 501 Craighead St. center is also open 8 a.m.-4 p.m. Mon.
All centers are closed Sundays and major holidays.
Keep in mind that lines are longer at the end of the month when people are rushing to renew expiring license tags. By the way, should your vehicle fail the inspection, you are entitled to one free re-inspection. Once you've passed your emissions test, you're set to pick up your license plate. S., or at a satellite office. When you go, take along the certificate from the emissions test and your current registration.