Tolls varying by time of day are collected at highway speeds using electronic toll-collection technology. Vehicles are equipped with transponder tags which are read by overhead antennas.
Results:
One such system located in Orange County, California saved commuters on the priced express lanes up to an hour each day along State Route-91.
Expanded to other metropolitan freeways, congestion pricing is expected to save the average commuter along a 5-mile freeway segment up to a half hour each day.
Congestion Pricing: A Primer Overview
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