Sonoran Glass School 633 W 18th St. Tucson, AZ 85701 (520) 884-7814 From Intestate I-10 West Take Exit 259 (29th-22nd Street) and stay on the northbound frontage road along the east side of the interstate. Once you pass the traffic light at the 22nd street intersection, stay on the frontage road and turn right on 18th Street. We are on the south side of 18th Street. From Interstate I-10 East Take Exit 259 (22nd Street) and turn left onto 22nd from the off-ramp. While in the freeway underpass, immediately get into the left turn lane. Turn left to head north on the frontage road. Turn right on 18th Street. We are immediately on the right. From Downtown Tucson Drive south on Stone Avenue. Turn right on 18th Street. We are at the west end of 18th Street, on the left before it dead ends into the freeway.