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Pennsylvania has a system of "color detour signs" in which any detour follows signs with a specific color. [ 29 ] [ 30 ] [ 31 ] The detours are meant to be used if a limited-access highway has to be closed for an emergency situation such as a flood or car accident , directing motorists along local roads near the limited-access highway to the ...
Since Pennsylvania first introduced numbered traffic routes in 1924, a keystone symbol shape has been used, in reference to Pennsylvania being the "Keystone State". The signs originally said "Penna" (a common abbreviation for Pennsylvania at the time), followed by the route number in block-style numbering in a keystone cutout.
The Pennsylvania State Route System was established by the Sproul Road Bill passed in 1911. The system took control of over 4,000 miles of road. The system took control of over 4,000 miles of road. The system of roads continued to grow over the next few decades until continual addition of roads faced greater opposition.
Massachusetts Route 236; Minnesota State Highway 236 (former) Montana Secondary Highway 236; New Hampshire Route 236; New Mexico State Road 236; New York State Route 236; Ohio State Route 236; Oregon Route 236 (former) Pennsylvania Route 236 (former) Tennessee State Route 236; Texas State Highway 236; Utah State Route 236 (former) Vermont Route ...
NY 17 is briefly in Pennsylvania in the borough of South Waverly: US 222: 90: 140 US 222 in Fulton Township: I-78/PA 222/PA 309 in Dorneyville, PA: 1926: current US 224: 10: 16 US 224 in Mahoning Township: PA 18 in New Castle: 1933: current US 230: 40: 64 US 22 in Harrisburg: US 30 in Lancaster: 1928: 1967 Now PA 230 and PA 283: US 309
A freeway sign, in the city’s Holmesburg neighborhood, was erected reading “Cenrtal Phila” instead of “Central Phila,” by switching out the “R” and “T”.
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The original Pennsylvania Route 3 was the designation for the William Penn Highway running from Hanover Township to Easton.After its decommissioning in 1930, PA 3 was renumbered in several areas to extend active routes, including US 22 from the WV/PA state line to Harrisburg, PA 60 from Robinson Township to Pittsburgh, US 322 from Harrisburg to Hershey, US 422 from Hershey to Wyomissing, US ...