The following links may be helpful for regional real time travel information and trip planning.
Regional Transit
Metro: https://www.wmata.com/schedules/trip-planner/
Potomac & Rappahannock Transportation Commission (PRTC): http://www.prtctransit.org/myprtc/ridertools.html
Virginia Department of Rail & Public Transportation: http://www.drpt.virginia.gov/service-locator/
Virginia Railway Express (VRE): http://www.vre.org/vremap/app?action=ovmap
Local Transit
Alexandria DASH: http://www.dashbus.com/
Arlington ART: http://www.arlingtontransit.com/
City of Fairfax CUE: http://www.fairfaxva.gov/government/public-works/transportation-division/cue-bus-system
Fairfax Connector: http://www.fairfaxcounty.gov/connector/
Loudoun County Transit: http://www.loudoun.gov/index.aspx?NID=221
Prince William PRTC: http://www.prtctransit.org/myprtc/ridertools.html
Rideshare/Park and Ride
Commuter Connections: http://www.commuterconnections.org/
Virginia Department of Transportation (VDOT): http://www.virginiadot.org/travel/parkride/home.asp
Road
Dulles Greenway: http://www.dullesgreenway.com/
Dulles Toll Road: http://www.dullestollroad.com/toll/dulles-toll-road
Virginia Express Lanes: https://www.expresslanes.com/
Virginia Roadways: http://www.511virginia.org/
Bike
Bike Commuting: http://www.virginiadot.org/travel/nova-mainbicycle.asp
Virginia Department of Taxation
Virginia Department of Taxation: http://www.tax.virginia.gov/