Loudoun County Transit (LC Transit) is a public-transportation service provided by the Loudoun County, Virginia government. Loudoun County Transit provides fixed routes and on-demand/paratransit bus service.
Loudoun County Transit operates commuter busses from Dulles, Leesburg, and Hamilton to Rosslyn, Virginia, Crystal City, Virginia, The Pentagon, and Washington, D.C. The service utilizes buses that are permitted to travel on the express lanes of the Dulles Toll Road, unlike normal traffic. This allows for a shorter trip and also bypasses commuter tolls. The Loudoun County Commuter Bus accepts payment via SmarTrip, a reloadable transit card issued by the Washington Metropolitan Area Transit Authority. On October 20, 2025, Loudoun County Transit launched a one-year pilot project to run bus routes from Loudoun County to Frederick, MD and Dale City, VA. This ended on September 30, 2026. The agency started commuter bus operations to Loudoun Gateway on April 1, 2026, moving service away from the Dulles Transit Center. The latter replaced the Dulles North Transit Center on December 5, 2022.
Loudoun County Transit buses also operates local bus service through Sterling, Ashburn, and Leesburg, providing connections to Silver Line metro stations. Virginia Regional Transit only operates the Purcellville Connector that is part of local bus service. LC Transit uses long buses (seating around 50) with white and metal trim and display the LC Transit logo, while VRT buses are short (seating around 15) and have a predominantly white and maroon color scheme, frequently without a logo. Local buses are around the same size as VRT buses & have the LC Transit logo.
Routes RouteTerminalsNotesCommuter Bus181Frederick
Frederick Transit CenterLoudoun CountyAM service, operates only inbound towards Washington 182Dale City
Commuter Park & Ride Lot 281AldieDulles South Park and RideWashington, D.C.H & 4th Streets NW282ArlingtonEads & 12th Streets284ArlingtonPentagon station481LeesburgLeesburg Park and RideWashington, D.C.H & 4th Streets NW 482ArlingtonEads & 12th Streets483PurcelvillePurcelville Park and Ride484HamiltonHarmony Park and Ride486Sterling Loudoun Gateway stationWashington, D.C.H & 4th Streets NW 581Loudoun CountyFrederick
Frederick Transit Center PM service, operates only outbound towards Loudoun County582Dale City
Commuter Park & Ride Lot681Washington, D.C.H & 4th Streets NWChantillyEast Gate Park and Ride682Crystal City - 18th Street & Route 1684ArlingtonPentagon station881Washington, D.C.H & 4th Streets NWLeesburgLeesburg Park and Ride 882Crystal City18th Street & US Route 1883Washington, D.C.H & 4th Streets NWPurcelvillePurcelville Park and Ride884885886Sterling Loudoun Gateway stationLocal Bus40PurcelvillePurcelville Park and RideLeesburgLoudoun County Government CenterPurcellville Connector55Leesburg LoopLoudoun County Government CenterLeesburg Routes565762AshburnVillage GiantSterlingDulles Town CenterAshburn Connector70Leesburg - Loudoun County Government CenterSterlingNVCC Loudoun CampusLeesburg to Sterling via Leesburg Pike80SterlingEnterprise St & E Maple AvSugarland Run Connector81SterlingVillage at Potomac FallsSterlingDulles Town CenterCountryside Connector82SterlingWilliam Watters HouseSterlingSterling LibrarySterling ConnectorMetro Connection312SterlingVillage at Potomac FallsRestonReston Town Center stationPotomac Falls320/321AshburnGWU Exploration HallMcNairInnovation Center stationGeorge Washington University322SterlingDulles Town CenterAtlantic Boulevard Connector323McNair LoopInnovation Center stationSterling331/332AshburnOne LoudounAshburnAshburn stationOne Loudoun333Ashburn - Quantum ParkSterlingLoudoun Gateway stationQuantum Park/Pacific Boulevard/Loudoun Gateway341/342AshburnAshburn Chase ApartmentsAshburnAshburn stationAshburn Village343/344Goose Creek VillagePark and Ride Goose Creek/Ashburn Farm351LeesburgLeesburg II Park and RideLeesburg371AshburnOld Ryan Road & Pinkhorn WayMoorefield Parkway/Old Ryan Road372AshburnINOVA Ashburn HealthplexWestwind Farm373AshburnWaxpool Road & Truro Parish DriveBroadlands374AshburnEvergreen Ridge Drive & Barnstead DriveBrambleton375BrambletonBrambleton Town Center381Sterling LoopLoudoun Gateway stationSouth Riding382SterlingStone Springs HospitalSterlingLoudoun Gateway stationStone Ridge391PurcelvillePurcelville Park and RideAshburnAshburn stationPurcellville/Harmony
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