:Talk:Pennsylvania Route 120
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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 ([http://www.fhwa.dot.gov/infrastructure/us22.htm])
- ca. 1935: Ridgway-Lock Haven - became 220, 15 and 122 east of Lock Haven
- ca. 1967: became PA 120