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 of official functions, Pennsylvania Avenue is the traditional parade and protest route of ordinary citizens. During the depression of the 1890s, for example, Jacob Coxey marched 500 supporters down Pennsylvania Avenue to the Capitol to demand federal aid for the unemployed. Similarly, on the eve of Woodrow Wilson's 1913 inauguration, Alice Paul masterminded a parade, the Woman Suffrage Procession, highlighting the women's suffrage movement. In July 1932, a contingent of the Bonus Expeditionary Force carried flags up Pennsylvania Avenue to the White House where they planned to form picket lines. Pennsylvania Avenue also has served as a background for more