Cars move slowly along the notoriously congested Capital Beltway, looking north at Tysons Corner, Virginia on April 5, 2012. Relief for Beltway drivers is on the way, in the form of express toll lanes, which will open in December 2012. Drivers using the center lanes will pay a toll that adjusts to traffic volume, and the outer lanes will remain toll-free. Washington Metro's extension to Dulles International Airport crosses the highway in the center of the photo. (Curtis Tate/MCT)
Cars move slowly along the notoriously congested Capital Beltway, looking north at Tysons Corner, Virginia on April 5, 2012. Relief for Beltway drivers is on the way, in the form of express toll lanes, which will open in December 2012. Drivers using the center lanes will pay a toll that adjusts to traffic volume, and the outer lanes will remain toll-free. Washington Metro's extension to Dulles International Airport crosses the highway in the center of the photo. (Curtis Tate/MCT) MCT
Cars move slowly along the notoriously congested Capital Beltway, looking north at Tysons Corner, Virginia on April 5, 2012. Relief for Beltway drivers is on the way, in the form of express toll lanes, which will open in December 2012. Drivers using the center lanes will pay a toll that adjusts to traffic volume, and the outer lanes will remain toll-free. Washington Metro's extension to Dulles International Airport crosses the highway in the center of the photo. (Curtis Tate/MCT) MCT

Freeways no longer? Interstates might get more tolls

April 16, 2012 12:00 AM

UPDATED June 17, 2015 12:03 PM

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