|All bus systems have the same two bike rack system and allow bikes on all times. Bikes always ride free unless otherwise noted.
Metro Bus - All Washington D.C. region buses are equipped with racks.
Ride-on - Montgomery County Transit – Most buses are equipped with racks
ART – Each ART bus is equipped with a rack
DC Circulator - They have bike racks, no information on the website though
Fairfax Connector - As of October of 2007, 100 percent of the Fairfax Connector bus fleet has been equipped with bicycle racks.
Metro Rail - Bicycles are allowed on the trains on weekdays (except high ridership times: 7 a.m. to 10 a.m. 4 p.m. to 7 p.m.) as well as all day on weekends and certain federal holidays. Bicyclists must use the elevators (not escalators). Bicyclists should enter Metro from either end of the car (not through center doors)
Amtrak - Some lines allow for bikes, but the service "varies widely from train to train, and station to station" and you have to call to find out if you're OK. They charge a fee, which isn't constant and don't allow for unusual sized bikes. They do allow folding bikes.
UM Shuttle buses – Most UM Shuttle buses are equipped with bike racks.
Potomac and Rappahannock Transportation Commission (PRTC) - "Bike racks have been installed on 40 PRTC buses that serve the OmniLink local routes, the Cross County Connector route and the Metro Direct routes that connect to nearby Metro stations. At this time, PRTC does not anticipate installing bike racks on OmniRide commuter buses."
Georgetown Metro Connection -- No information on their policy available (but this is such a small connection that it may never be used)
MARC - Collapsible bikes only. They need not be in a bag. New cars will have bike racks starting in 2010
VRE - As of May 2009, Bicycles are allowed on the last three northbound trains, the midday and the last three southbound trains of the day. VRE is limiting bikes to two per train car and says they must be tethered to train seats. Collapsible bicycles, however, are permitted. Bikes will be boarded and removed last—after all pedestrian passengers have boarded or detrained.
CUE (Fairfax) - As of July 2009, bicycle racks have been installed on the front of all CUE Buses
DASH (Alexandria) - As of July 2009, bicycle racks have been installed on the front of all CUE Buses
George (Falls Church) - No information on their policy available.
The Bus (Prince George's County) - No bicycle racks available. They also do not allow folding bikes. No information on their website.