Büyükdere Avenue was closed to traffic for ten hours. Büyükdere Avenue Büyükdere Avenue () is a major avenue which runs through the districts of Şişli (Esentepe quarter), Beşiktaş (Levent quarter) and Sarıyer (Maslak quarter) on the European side of Istanbul, Turkey. It begins at Şişli Mosque and runs in an eastward direction partly under the viaduct of the inner-city motorway O-1 through Mecidiyeköy, Esentepe, until reaching Zincirlikuyu; where it joins with Barbaros Boulevard and turns northward passing through Levent, Sanayi Mahallesi, Maslak and by the Fatih Forest, ending at the Hacıosman Slope on the Sarıyer district border. Its total length is .
East Center City Commercial Historic District (1892), Philadelphia Club, the Old Federal Reserve Bank (1932), U.S. Post Office and Courthouse, Walnut Street Theatre, and Forrest Theater. It also includes a set of 3 1/2-story townhouses designed by Benjamin Henry Latrobe for William Sansom. It was added to the National Register of Historic Places in 1984, and underwent boundary adjustments in 2018. East Center City Commercial Historic District East Center City Commercial Historic District is a national historic district located in the Washington Square neighborhood of Philadelphia, Pennsylvania. It encompasses 287 contributing buildings that includes a mix of large and small commercial buildings, banks, hotels, newspapers, clubs,