I-Regional Transportation District ibonelela ngezithuthi zikawonkewonke kubantu abangaphezu kwezigidi ezi-3 ngaphezulu kweekhilomitha ezingama-2,000 ezikwere kwizithili ezisibhozo zaseColorado. iRTD ibonelela ngeendawo zokuhlala zabakhweli, ezibekwe esweni ngokusondeleyo, kwaye abaqhubi beebhasi bafumana uqeqesho lwemozulu embi.