One of the security checkpoints on Massachusetts Avenue NW near downtown.
Gerald Martineau For Twp-The Washington Post
At left, incoming traffic on New York Avenue NW turns south onto Fourth Street NW to avoid the area around the convention center.
Gerald Martineau For Twp-The Washington Post
A barricade limits pedestrian traffic near the convention center. More than 40 world leaders were expected to attend the summit Monday and Tuesday.
Gerald Martineau For Twp-The Washington Post
Security personnel stand guard at 11th Street NW and Massachusetts Avenue.
Gerald Martineau For Twp-The Washington Post
A security checkpoint at the south end of the convention center Monday morning. The summit brings the largest security curtain since Inauguration Day 2008 to Washington.
Gerald Martineau For Twp-The Washington Post
Security personnel near 10th Street NW and Massachusetts Avenue.
Gerald Martineau For Twp-The Washington Post
A metal barricade snakes along the convention center.
Gerald Martineau For Twp-The Washington Post
Officers near 10th Street NW & Massachusetts Avenue. A vast grid of roads were closed.
Gerald Martineau For Twp-The Washington Post
A sign bearing bad news for bus riders on 9th Street NW.
Bill O'leary-Washington Post
Pedestrians walk down 9th Street NW behind an imposing security fence.
Bill O'leary-Washington Post
A fence along 9th Street NW. Business owners and residents were forced to work around the security measures.
Bill O'leary-Washington Post
Pedestrians walk along a fence on L Street NW.
Bill O'leary-Washington Post
Gallery Credits:
Producer Stephen Cook