The I-66 Outside the Beltway is a project that is helping transform this critical Northern Virginia artery to relieve congestion, improve safety and provide more predictable travel times.

I-66 is being expanded – from the Capital Beltway (I-495) to Gainesville (US Route 29) – to include three toll free general purpose lanes and two Express Lanes in each direction with a state-of-the-art open-road electronic toll collection system.