Heightened security measures for the 2017 United States Presidential Inauguration will include extensive road closures and restricted access to many locations in the Washington, D.C. area including some bridges and tunnels leading into and out of the area. All Carriers will be operating during these events, however because of enhanced local security measures and mandates set forth by the U.S. Department of Homeland Security for this National Special Security Event (NSSE), customers may experience service delays and disruptions in and around the security zones