<Tr> <Td> </Td> <Td> This section needs to be updated . Please update this article to reflect recent events or newly available information . (April 2015) </Td> </Tr> <P> In February 1974, a stolen army helicopter landed without authorization on the White House's grounds . Twenty years later, in 1994, a light plane flown by Frank Eugene Corder crashed on the White House grounds, and he died instantly . </P> <P> As a result of increased security regarding air traffic in the capital, the White House was evacuated in May 2005 before an unauthorized aircraft could approach the grounds . </P> <P> On May 20, 1995, primarily as a response to the Oklahoma City bombing of April 19, 1995, the United States Secret Service closed off Pennsylvania Avenue to vehicular traffic in front of the White House from the eastern edge of Lafayette Park to 17th Street . Later, the closure was extended an additional block to the east to 15th Street, and East Executive Avenue, a small street between the White House and the Treasury Building . </P>

Map of the white house in washington dc