Pennsylvania Avenue lighthearted celebrations, including a series of day- and nighttime Shriner's parades in the 1920s and 1930s. Thomas and Concepcion Picciotto are the founders of the White House Peace Vigil, the longest running anti-nuclear peace vigil in the US, at Lafayette Square on the 1600 block of Pennsylvania Avenue. After the Oklahoma City bombing in 1995, the Secret Service closed the portion of Pennsylvania Avenue in front of the White House to all vehicular traffic. Pedestrian and bicycle traffic, however, was still permitted on the sidewalk. After 9/11 this policy was made permanent. Near the White House traffic is redirected to
Pennsylvania Avenue (listed from west to east): The DC Circulator travels along the street: The following MTA Maryland Commuter Bus routes travel along the street: The following routes of TheBus serve Pennsylvania Ave. in Prince George's County: The following Washington Metro stations have entrances located near Pennsylvania Avenue: Pennsylvania Avenue Pennsylvania Avenue is a diagonal street in Washington, D.C. that connects the White House and the United States Capitol. Called "America's Main Street", it is the location of official parades and processions, as well as protest marches. Moreover, Pennsylvania Avenue is an important commuter road and is part of the National Highway