Talk:Pennsylvania Route 120

Comment

 * 1925: Riverton-Shoshoni (1925 log)
 * 1926: Erie-Philadelphia - old route became 320 (1926 map)
 * 1927: Ridgway-Philadelphia - became 6 and 119 west of Ridgway (1927 log)
 * later 1927: Ridgway-Reading - became 422 east of Reading
 * ca. 1935: Ridgway-Lock Haven - became 220, 15 and 122 east of Lock Haven
 * ca. 1967: became PA 120