Branch County: To reach our Coldwater test site from the West, take U.S. 12 to Butters Avenue (the first traffic light). Turn right on Butters Avenue. Turn left onto Garfield Road. Go 1/4 mi and turn right onto Treat Avenue. The test site is at 127 Treat Avenue, the last parking lot on the left. At this location, we test automobiles and motorcycles.

To reach our Coldwater test site from the East, take U.S. 12 and turn left(south) onto Division Street (the main four corners in Coldwater). Go about 1 mile and turn right onto Garfield Road. Go 3/4 mile and turn left onto Treat Avenue. The test site is at 127 Treat Avenue, the last parking lot on the left. At this location, we test automobiles and motorcycles.