Portland’s Tri-County Metropolitan Transportation District (
Innovations in Transportation’s (INIT’s) back-end processing system, Mobilevario, serves as the core intelligence for the project and processes all forms of payment for the multi-agency system.
TriMet riders can tap their device to any of INIT’s 1,200 Proxmobil validators, Mobilevario calculates the fare, validates the transaction against the back-office account, and displays the result in real-time. It is said to provide accurate and up to date account information at any time.
Hot Fast Pass has been designed with an open architecture approach which allowed more than a dozen partners associated with the project to be integrated without changes to the core system.