Pennsylvania Route 420
North end | ![]() | |
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Location | ||
Country | United States | |
State | Pennsylvania | |
Counties | Delaware | |
Highway system | ||
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Pennsylvania Route 420 (PA 420) is a north–south state highway in Delaware County, Pennsylvania. The route runs 5.6 miles (9.0 km) from PA 291 in Tinicum Township, a short distance west of the Philadelphia International Airport, northwest to PA 320 in Springfield Township. PA 420 runs through suburban areas, passing through Prospect Park, Folsom, and Morton. The route interchanges with Interstate 95 (I-95) in Tinicum Township and intersects U.S. Route 13 (US 13) in Prospect Park. PA 420 was first designated by 1928 to run from PA 191 at the intersection of 84th Street and Bartram Avenue in Philadelphia to PA 320 in Springfield. By 1950, the southern terminus was moved to its current location at PA 291.
Route description

PA 420 begins at an intersection with
The road runs into business areas and crosses MacDade Boulevard in the community of

History
When Pennsylvania first legislated routes in 1911, what is now PA 420 was not given a number.[4] PA 420 was first designated by 1928 to run from PA 191 (84th Street/Bartram Avenue) in Philadelphia north to PA 320 in Springfield, heading west along Bartram Avenue in Philadelphia and 2nd Street in Tinicum Township to Essington, where it turned north along Wanamaker Avenue and continued along its current alignment.[5] By 1950, the southern terminus of PA 420 was moved to its current location at PA 291 near Essington, with the former alignment becoming an unnumbered road.[6]
Major intersections
The entire route is in Delaware County.
Location | mi[1] | km | Destinations | Notes | |
---|---|---|---|---|---|
Philadelphia, Chester | Southern terminus | ||||
0.321 | 0.517 | ![]() Philadelphia | Exit 9 on I-95 | ||
Prospect Park | 1.173 | 1.888 | ![]() | ||
Springfield Township | 5.600 | 9.012 | ![]() | Northern terminus | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi |
PA 420 Alternate Truck
Prospect Park
Location | Prospect Park, Pennsylvania |
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Length | 2.8 mi[7] (4.5 km) |
Existed | 2013–present |

Pennsylvania Route 420 Alternate Truck is a southbound
Ridley Township
Location | Ridley Township, Pennsylvania |
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Length | 2.7 mi[9] (4.3 km) |
Existed | 2013–present |
Pennsylvania Route 420 Alternate Truck is a
See also
- U.S. Roads portal
Pennsylvania portal
References
- ^ a b Bureau of Maintenance and Operations (January 2015). Roadway Management System Straight Line Diagrams (Report) (2015 ed.). Pennsylvania Department of Transportation. Retrieved June 30, 2015.
- Delaware County (PDF)
- ^ a b "Pennsylvania Route 420" (Map). Google Maps. Retrieved January 15, 2014.
- ^ ISBN 978-0-87530-777-0.
- Pennsylvania Department of Highways. 1911. Archived from the original(PDF) on July 5, 2011. Retrieved January 1, 2014.
- ^ Pennsylvania Highway Map (Philadelphia Metro) (Map). Gulf Oil. 1928. Retrieved November 8, 2007.
- ^ Official Road Map of Pennsylvania (back) (PDF) (Map). Pennsylvania Department of Highways. 1950. Retrieved January 15, 2014.[permanent dead link ]
- ^ a b "overview of Pennsylvania Route 420 Alternate Truck Prospect Park" (Map). Google Maps. Retrieved February 22, 2017.
- ^ a b "Risk-Based Bridge Postings - State and Local Bridges" (PDF). Pennsylvania Department of Transportation. October 8, 2013. Retrieved May 19, 2016.
- ^ a b "overview of Pennsylvania Route 420 Alternate Truck Ridley Township" (Map). Google Maps. Retrieved February 22, 2017.