バージニア急行鉄道
The county is served by both Virginia Railway Express (VRE) lines. The Manassas line has the Manassas Park, Manassas, and Broad Run / Airport stations. The Fredericksburg line has the Woodbridge, Rippon, and Quantico stations. The Manassas, Quantico and Woodbridge stations are also served by Amtrak.