Modern electronic toll collection (ETC) systems utilize several overlapping technologies to ensure accuracy without requiring vehicles to slow down:
The decision to purchase a dedicated toll pass (like , SunPass , or I-PASS ) generally hinges on three main factors:
: "Pay-By-Plate" systems typically include a per-invoice administrative fee (e.g., $2.50 per month in Florida) which can quickly negate the savings of occasional travel. Pass holders avoid these recurring processing fees.