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Hours for motorist hotline:  Mon-Sat, 8am-6pm
Motorist hotline: 1-888-828-8399
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Connecticut Emissions Program
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Test Centers | Diesel Tests | Make an Appointment | Free Re-test

 

Test Centers

Use any of the Official Emissions Test Centers located throughout the state.

Test Center Hours of Operation
Mon-Fri: 8 a.m. - 5 p.m
Sat: 8 a.m. - 1:00 p.m.

View a full listing of test centers or use the search box to the right to find the test centers nearest you. For diesel-powered vehicles, view a listing of specialized diesel testing facilities.

 

 

Find a Test Center

Vehicle emissions testing is the State's most effective way to improve air quality.