Dynamic Tolling
Prices on the 66 Express Lanes fluctuate based on real-time traffic conditions and demand. Our dynamic pricing system helps prevent congestion and keeps all our drivers getting where they need to go at a consistent, more reliable speed, with a posted speed limit of 70 mph. It’s up to you whether to us the two-lane 66 Express Lanes or the three non-tolled general-purpose lanes of I-66.
Would you like to see what your trip on the 66 Express Outside the Beltway might cost?
Plan Your Trip