Transportation go Results Found: 2 Button group with nested dropdown Foothill Gold Line Construction Autho... Foothill Gold Line Construction Authority 406 E. Huntington Drive, Suite 202 Monrovia CA 91016 (626) 471-9050 Foothill Transit Foothill Transit 100 S. Vincent Ave. #200 West Covina CA 91790 (626) 931-7300 Share this:TwitterFacebook