The 18 Envirotest-operated emissions testing centers perform both the enhanced I/M 240 test for 1982 and newer vehicles, and the two-speed idle test for 1981 and older vehicles. 1981 and older vehicles may also be tested at an independent test center. For information on locations of these centers, call 303-692-3270. For information on emissions testing for diesel-powered vehicles, call 303-205-5603 or 303-744-2442.
Click on the station links for physical address, hotline number, hours and other information.
NOTE ABOUT THE MAP FOR THE LONGMONT STATION:
The Google Map is incorrect. Please use the following written directions to find our Longmont location.
FROM BOULDER: Go north on Foothills Pkwy to the Diagonal Hwy (119). Take the Diagonal northeast to 87th Street. Turn left (north) on 87th. It becomes Airport Rd after crossing Nelson Rd. Station is at the northwest corner of Airport Rd and Rogers Rd.
FROM Interstate 25: From I-25 northbound, take Exit 240 (Hwy 119). Go west on 119, across the railroad tracks, to Nelson Rd. Turn right on Nelson to Airport Blvd. Turn right on Airport to Rogers Rd (2nd left) and turn left on Rogers. The station is at the northwest corner of Airport and Rogers Rd.