CHANTILLY, Va. — Drivers on the Dulles Toll Road will pay higher fees starting in January.

The Metropolitan Washington Airports Authority, which operates the road in addition to Dulles and Reagan Airports, voted Wednesday to raise one-way rates by 50 cents in 2013 and another 75 cents in 2014.

The current one-way fare for a trip on the full length of the toll road is $2.25. That includes $1.50 at the main toll plaza and 75 cents at the other exits.

The increases had been expected, as the airports board is relying on toll road revenue to finance most of the second phase of the $5.6 billion extension of the region’s Metrorail system to Dulles Airport and Loudoun County.

(© Copyright 2012 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)