Are drivers ready to be scanned like groceries at the supermarket?
The answer will help determine whether Washington area commuters use a planned network of high-occupancy and toll lanes, which will start to take shape next year when an expansion of the Capital Beltway is to begin.
The lanes are billed as the salvation of the suffering commuter. Solo drivers will be able to buy their way around congestion, while carpoolers will ride free. But the lanes' success hinges on finding a way to differentiate between paying and nonpaying customers without stopping every vehicle to count heads.
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