1939 and some of Wood is already renewed with second track removed. . http://tinyurl.com/2cmv7k . http://tinyurl.com/25d7fk . . . Jim Holland Studying Pittsburgh Railways Company ....................From 1930 -- 1950 Pennsylvania Trolley Museum (PTM) http://www.pa-trolley.org/ N.M.R.A. http://www.nmra.org/