Vehicle reference numbers are used by toll agencies, notably those within the E-ZPass Inter-agency Group (IAG), to uniformly identify the class of a vehicle between the individual agencies within the group.
Use the form to discover VRNs associated with various configurations or browse the sortable list below.
NOTICE: This page is new and in live BETA. Data errors are unlikely, unless a vehicle is not found. You may see styling and display errors at this point.
Ready to classify your vehicle? Use these controls to tell us what you are driving.
Find Key Travel Info For Road Warriors, Truckers And Commercial Vehicle Operators
This page is new and has been launched in "BETA".
Vehicle reference numbers for commercial transponder registrations are now ready. Additional resources that are getting ready to launch include weigh station information and truck parking locations. VRCs are part of the new calculator system, which is in development.
Updated September 17, 2025