Colorado Transportation Department 1205 West Ave # A Alamosa, CO 81101 Phone : (719) 589-3616 Business Category Port Authorities Colorado State Government--transportation Department State Highway Bldg Alamosa, CO 81101 Phone : (719) 589-3616 Business Category Government Offices-State Transportation Services Local Passenger Transportation Government Offices State & Local Government Offices & Public Schools Colorado State Government--transportation Department, 4201 E Arkansas Av 4201 E Arkansas Ave Alamosa, CO 81101 Phone : (719) 589-3616 Business Category Government Offices-State Transportation Services Local Passenger Transportation Government Offices State & Local Government Offices & Public Schools