Welcome to the E-ZPass Group National Interoperability Portal

This area of our website is dedicated to the sharing of business rules, file specifications, documents, plans and other pertinent information that may assist other toll agencies in advancing interoperability.

The E-ZPass Group operates the largest, most successful toll interoperability network in the world, with over 53 million toll transponders in use and collects over $15.6 billion in annual toll revenues of which more than $12.8 billion is collected electronically and over $6.1 billion transferred between agencies through our toll reciprocity programs.

The information found in this section of the website has served the E-ZPass Group well over the many years of our operations and may be beneficial to other agencies working toward expanding interoperability.

The members of the E-ZPass Group stand ready to work with our industry partners in advancing the goal of national interoperability.

By accessing or using the information and technology available on this link and this website, you agree to use the information and links provided in this section of our website solely for purposes of furthering E-ZPass interoperability and legitimate electronic tolling industry research for the benefit of the E-ZPass group and its members, and other non-fraudulent activities to advance national interoperability.  Use of the data, technology and information derived therefrom and links for any other purpose, are strictly prohibited.  Any fraudulent activity using the E-ZPass technology is strictly prohibited.