Mitigation of Recurring Congestion on Freeways

Persistent daily congestion, which has been increasing in recent years, is commonly experienced for several hours or more during the morning and evening on urban freeways. Many of these roadways are at or near capacity, which causes severe delays and backups.

To demonstrate the ability of a better managed freeway in mitigating recurring congestion, this study tested the effectiveness of an active traffic management system on a simulated model of I-66 and I-95 in Northern Virginia.

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