Building numbers run in series of 100 per block. Avenues are named after states of the union and run diagonally and radiate from circles such as Washington, Sheridan or Dupont. Tolls Many expressways in the US are toll roads. Tolls can vary depending on how much of the turnpike you use. Parking Street parking space in the city is very limited, with parking regulations strictly enforced.
Metered parking is available on most downtown streets.
Specially reserved car park spaces for government officials or diplomats are reserved 24 hours a day. Parking without a permit in a restricted zone may result in your car being towed away within minutes of parking. Never park within ten feet of a fire hydrant. For further information on parking in Washington, contact the Bureau of Motor Vehicle Services on 727 6680.