: Small, battery-free chips in your windshield communicate via radio waves with overhead sensors (gantries).
: Most passes operate on a "declining balance" model, automatically replenishing from a linked bank account or credit card when funds run low. Critical Warning: Toll Scams buy toll pass
: Certain lanes, such as "Managed Lanes" or express lanes in Florida, are exclusively restricted to transponder users and cannot be accessed via "Pay-By-Plate". Technical Mechanisms : Small, battery-free chips in your windshield communicate