Home > All By Location regional map > Pittsbugh East > Highland Park Reservoir Rd ped tunnel Search pghbridges.com Search WWW 1902 postcard More detail photos Tunnel Walk, postcard dated 1886 Western portal Western portal stairway Damaged northwestern wingwall Eastern portal; Southeastern wingwall Eastern portal keystone Eastern portal arch detail Eastern parapet; View south on Reservoir Drive Highland Park entrance at Highland Av Highland Park "Speedway"; "Rustic Bridge"; Original Pittsburgh Zoo building (1898-1980) Lake Carnegie, Highland Park 1923 Pittsburgh Plan Submit info or inquiry - share some facts or ask a question. Introduction -- Nearby Structures Page created: Last modified: 10-Dec-2001 View Larger Map copyright: © Bruce S. Cridlebaugh 1999-2008 All Rights Reserved