Filed under: Virginia Old Post Office Clock Tower To Close; D.C.'s Uber Routes By Valerie Paschall Apr 24, 2014, 7:42pm EDT · The Old Post Office clock tower will close for two years. [WCP]· The Silver Line jumps another hurdle on its way to passenger service. [WAMU]· Not enough people selling in D.C.'s housing market. [WBJ]· Most popular Uber routes in D.C. [DCist]· Mapping D.C.'s greenest streets. [GGW] Foursquare Old Post Office 1100 Pennsylvania Avenue NW, Washington, DC 20004 Visit Website