Alliance for Toll Interoperability Hub (ATI)

In an effort to encourage connections and the sharing of information in the Tolling and Transportation Industries, the Alliance for Toll Interoperability actively works with public tolling agencies, consultants and vendors. As a leader in the toll industry, ATI understands the increased importance of providing road users, both registered customers and non-registered customers, an opportunity to pay their tolls after using an AET toll system. The ATI manages the Interoperability Hub, an interoperability system for electronic toll payments on various toll roads in the country, allowing motorists to pay any toll in the country through a single client account.


The ATI Hub solution provided a central clearing house for processing electronic toll transactions for various toll providers in USA. Also known as ATI hub it allowed customers to use the various toll roads using the same transponder with the toll road operators settling the charges against the single account opened by the customer. It’s similar to E-ZPass reciprocity among various state agencies on the East Coast in USA, the only difference being that ATI guidelines are being promoted as true national clearance hub than being regional reciprocity agreements that agencies follow currently.

PSS contribution

P Square solutions team under the general software development and consulting services with emovis developed the complete interoperability hub infrastructure including developing interfaces with Toll agencies (agency whos roadway was used) and Toll Provider (agency where customer has an account). The interfaces included receiving the transponder status files and consolidating them for each toll charger to use it. It also included receiving toll transactions from various toll agencies and batching them for the toll providers to process and post them to their customer accounts. The hub also provided periodic settlement of funds based on the toll road usage to the toll chargers. The team also build custom reports to track and reconcile transactions among various toll chargers and toll service providers enrolled under the ATI hub.

PSS team design, develop and deployed the complete turn-key solution for ATI based on the guidelines published by the ATI.

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