U.S. Route 15 in Pennsylvania

Pennsylvania Route 404
Location	Shamokin Dam – Williamsport
Existed	1928–1941

U.S. Route 15
	US 15 highlighted in red
Route information
	Maintained by PennDOT
Length	194.89 mi[1] (313.65 km)
Tourist; routes	Journey Through Hallowed Ground Byway
Major junctions
South end	US 15 at Maryland border near Gettysburg
	US 30 near Gettysburg; I-76 / Penna Turnpike near Mechanicsburg; US 11 / PA 581 in Camp Hill; I-81 near Enola; US 22 / US 322 near Duncannon ; US 522 near Selinsgrove; US 11 in Shamokin Dam; I-80 near Lewisburg; Future I‑99 / I-180 / US 220 in Williamsport; US 6 in Mansfield
North end	I-99 / US 15 at New York border near Lawrenceville
Location
Counties	Adams, York, Cumberland, Perry, Dauphin, Juniata, Snyder, Union, Lycoming, Tioga
Highway system

U.S. Route 15 (US 15) is a 791.71 mi (1,274.13 km)-long United States highway, running from Walterboro, South Carolina to Painted Post, New York. In Pennsylvania, the highway runs for 194.89 miles (313.65 km), from the Maryland state line just south of Gettysburg, to the New York state line near Lawrenceville.

Route description

US 15 enters Pennsylvania south of Gettysburg, Adams County, from Frederick County, Maryland, on a freeway alignment. The route heads to the north and bypasses Gettysburg, where the route interchanges with US 30. The freeway alignment ends temporarily at York Springs, carrying US 15 on a four-lane, divided alignment until the route upgrades to a freeway again in Dillsburg. The route continues north toward Harrisburg, where the freeway terminates again as US 15 joins with US 11. The two routes begin to follow the west shore of the Susquehanna River with limited-access sections until they split across the river from Sunbury. US 15 continues north into Williamsport, joining I-180 and US 220. At I-180's western terminus, US 220, signed south, heads due west toward Jersey Shore and Lock Haven, while US 15 turns due north through Mansfield and crosses into New York near Lawrenceville, Tioga County.

The majority of US 15 is four lanes, alternating between limited and unlimited access. There are two segments where the road is two lanes. One is from East Pennsboro Township, Cumberland County, just north of the I-81 interchange, to just south of Duncannon. The other is between White Deer and South Williamsport. The segment between Williamsport and the New York state line will eventually be designated Interstate 99.

History

Prior to 1941, US 15 ran along the east bank of the Susquehanna River between Harrisburg and Williamsport while the road on the western bank of the river was PA 14 between Lemoyne and Duncannon, US 11 between Duncannon and Shamokin Dam, and PA 404 between Shamokin Dam and Williamsport.[2] In 1941, US 15 was rerouted to follow the western bank of the river between Harrisburg and Williamsport, replacing PA 14 between Lemoyne and Duncannon, running concurrent with US 11 between Lemoyne and Shamokin Dam, and replacing the entire length of PA 404. The former alignment of US 15 on the east side of the river became PA 14.[3][4]

Future

The section of US 15 north of Williamsport will be redesignated as I-99 when the connection from I-76 to I-86 is completed. No additional work is needed to upgrade this stretch, as it is already up to Interstate standards.[5]

As part of the construction of the Central Susquehanna Valley Thruway, US 15 is planned to be rerouted to the new freeway between Selinsgrove and Union Township, bypassing Shamokin Dam. The former alignment of US 15 through Shamokin Dam will be designated as US 15 Bus., partly running concurrent with US 11.[6]

Major intersections

County	Location[7]	mi[1]	km	Exit	Destinations	Notes
Adams	Freedom Township	0.0	0.0		US 15 south (Catoctin Mountain Highway) – Frederick	Continuation into Maryland
	Freedom Township	1.74	2.80		US 15 Bus. (Steinwehr Avenue)
	Cumberland Township	5.88	9.46		PA 134 (Taneytown Road)
	Mount Joy Township	8.15	13.12		PA 97 south (Baltimore Pike)	Access to Gettysburg National Military Park
	Straban Township	10.01	16.11		PA 116 (Hanover Road)
		11.52	18.54		US 30 (York Street)	Access to Gettysburg College
		14.71	23.67		PA 394 / US 15 Bus. south – Hunterstown	Northern terminus of Gettysburg US 15 Bus.; access to Gettysburg College
	Tyrone Township	19.59	31.53		PA 234 – East Berlin, Heidlersburg
	Latimore Township	23.59	37.96		PA 94 – Hanover, York Springs
	Latimore Township			North end of freeway
York	Dillsburg–Carroll Township line	32.51	52.32		PA 74 south (Baltimore Street) to PA 194 – Dillsburg, York	South end of PA 74 concurrency
York	Dillsburg–Carroll Township line	32.72	52.66		PA 74 north (York Road) – Williams Grove, Carlisle	North end of PA 74 concurrency
Cumberland	Upper Allen Township			South end of freeway
		36.32	58.45		Lisburn Road
		37.68	60.64		PA 114 – Bowmansdale, Mechanicsburg
		38.72	62.31		Winding Hill Road / Cumberland Parkway
		39.29	63.23		I-76 / Penna Turnpike – Pittsburgh, Philadelphia	Exit 236 (Gettysburg Pike) on I-76 / Penna Turnpike
	Lower Allen Township	40.31	64.87		Wesley Drive / Rossmoyne Road
		41.03	66.03		Slate Hill Road
		41.76	67.21		Lower Allen Drive
	Camp Hill	42.49	68.38		US 11 south / PA 581 (Capital Beltway) to I-81 / I-83 – Carlisle, Harrisburg, York	Exit 5 on PA 581; south end of US 11 concurrency
		42.49	68.38	North end of freeway
		42.99	69.19		PA 641 west (Trindle Road)	Eastern terminus of PA 641
	Camp Hill–East Pennsboro Township line				M. Harvey Taylor Bridge – Harrisburg	Northbound exit and southbound entrance
	East Pennsboro Township	47.34	76.19		PA 944 west (State Street)	Eastern terminus of PA 944
	East Pennsboro Township	50.35	81.03		I-81 (Capital Beltway) – Carlisle, Harrisburg	Exit 65 on I-81
Perry	Marysville	52.61	84.67		PA 850 west (Valley Street)	Eastern terminus of PA 850
	Penn Township			South end of freeway
	Penn Township–Duncannon line	60.10	96.72		PA 274 west – Duncannon
Dauphin	Reed Township	62.59	100.73		US 22 / US 322 – Harrisburg, Lewistown
Perry	Watts Township			North end of freeway
	Buffalo Township	72.78	117.13		PA 34 south (Hunters Valley Road) – Newport	Northern terminus of PA 34
	Liverpool	74.54	119.96		PA 17 west – Millerstown	Eastern terminus of PA 17
	Liverpool Township	78.90	126.98		PA 104 north – Middleburg	Southern terminus of PA 104
Juniata	No major junctions
Snyder	Penn Township			South end of freeway
	Penn Township	91.15	146.69		PA 35 south – Selinsgrove	Northern terminus of PA 35
	Monroe Township	95.58	153.82		US 522 south – Selinsgrove	Northern terminus of US 522
	Monroe Township			North end of freeway
	Shamokin Dam	96.63	155.51		PA 61 south – Sunbury	Interchange; northern terminus of PA 61
	Shamokin Dam	96.98	156.07		US 11 north – Northumberland, Danville	North end of US 11 concurrency
Union	Union Township	101.83	163.88		PA 304 west – New Berlin	Eastern terminus of PA 304
	East Buffalo Township–Lewisburg line	105.79	170.25		PA 45 (Market Street) – Lewisburg Business District
	Lewisburg	106.25	170.99		PA 192 west (Buffalo Road) – Cowan	Eastern terminus of PA 192
	Kelly Township			South end of freeway
	Kelly Township	110.21	177.37		PA 642 east (Mahoning Street) – Milton, West Milton, Pottsgrove	Western terminus of PA 642
	White Deer Township	111.78	179.89		New Columbia
		112.57	181.16		I-80 – Bloomsburg, Bellefonte	Exit 210 on I-80
		114.29	183.93		Watsontown, White Deer
				North end of freeway
	Gregg Township	116.81	187.99		PA 44 – Jersey Shore, Dewart
Lycoming	Clinton Township	122.66	197.40		PA 54 east – Montgomery	Western terminus of PA 54
	South Williamsport	128.34	206.54		PA 554 south	Northern terminus of PA 554
	South Williamsport	128.95	207.52		PA 654 west (Southern Avenue)	Eastern terminus of PA 654
	Williamsport	129.35	208.17	South end of freeway
		129.35	208.17		I-180 east / US 220 north – Montoursville, Muncy	Exit 27A on I-180; south end of I-180/U.S. 220 concurrency
		129.85	208.97		Hepburn Street	Exit 27B on I-180; eastbound exit and westbound entrance
		130.53	210.07		Maynard Street	Exit 28 on I-180; access to Pennsylvania College of Technology
		131.67	211.90		US 220 south / Future I‑99 south – Lock Haven I-180 ends	Exit 29 on I-180; north end of I-180/U.S. 220 concurrencies; western terminus of I-180; future south end of I-99 concurrency
		132.09	212.58	136	Third Street	Northbound exit and entrance
		132.37	213.03	136	Fourth Street	Southbound exit and entrance
	Old Lycoming Township	132.99	214.03	137	Foy Avenue / High Street / Lycoming Creek Road
	Lycoming Township	136.34	219.42	140	Hepburnville
	Lycoming Township	138.90	223.54	143	PA 973 – Perryville, Cogan Station	Southbound exit
	Lewis Township	144.00	231.75	148	PA 14 north – Trout Run, Canton	Southern terminus of PA 14
	Cogan House Township	148.27	238.62	152	Cogan House (Green Mountain Road)[8][9]	Southbound exit and entrance. Connected to Steam Valley Road via State Route 4011
		148.89	239.62	152	Cogan House (Steam Valley Road)[8][9]	Northbound exit and entrance. Connected to Green Mountain Road via State Route 4011
		150.90	242.85	155	PA 184 west – Steam Valley[8][9]	Eastern terminus of PA 184
	Jackson Township	153.68	247.32	158	PA 284 west – Buttonwood, English Center	Eastern terminus of PA 284
Tioga	Liberty	158.81	255.58	162	PA 414 – Liberty, Morris
	Liberty	160.96	259.04	165	Sebring
	Blossburg	168.08	270.50	172	Blossburg
	Richmond Township	175.55	282.52	179	US 15 Bus. north / PA 660 west – Canoe Camp, Covington	Southern terminus of Mansfield US 15 Bus.; eastern terminus of PA 660
	Mansfield	177.82	286.17	182	US 6 – Mansfield, Wellsboro	Access to Hills Creek State Park and Mansfield University
	Richmond Township	179.16	288.33	183	US 15 Bus. south (Main Street)	Southbound exit, northbound entrance; northern terminus of Mansfield US 15 Bus.
	Tioga Township	187.65	301.99	191	PA 287 – Tioga, Tioga Junction
	Lawrence Township	192.46	309.73	196	PA 49 – Elkland, Lawrenceville	Access to Cowanesque Lake
	Lawrenceville	194.89	313.65		I-99 north / US 15 north – Corning	Continuation into New York
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus Electronic toll collection Incomplete access

References

"Annual Electronic Straight Line Diagrams by County". Pennsylvania Department of Transportation. 2013. Retrieved August 27, 2013.
Official Road Map of Pennsylvania (PDF) (Map). Pennsylvania Department of Highways. 1940. Retrieved December 16, 2014.
"Local Road Route Changes Affect Harrisburg Drivers". The Evening News. Harrisburg, PA. June 20, 1941. p. 18. Retrieved August 14, 2015 – via Newspapers.com.
Official Road Map of Pennsylvania (PDF) (Map). Pennsylvania Department of Highways. 1950. Retrieved January 1, 2014.
http://www.steubencourier.com/x821893261/Interstate-99-on-the-final-stretch
"Proposed Roadway Route Designations" (PDF). Central Susquehanna Valley Transportation Project. Archived from the original (PDF) on August 14, 2015. Retrieved December 9, 2019.
"Video Log". Pennsylvania Department of Transportation. Retrieved June 9, 2016.
Kitsko, Jeffrey J. (2011). "U.S. Route 15". Pennsylvania Highways. Retrieved February 25, 2013.
"Route 15 southbound lanes opened". The Wellsboro Gazette. November 18, 2009. Retrieved February 25, 2013.

External links

Media related to U.S. Route 15 in Pennsylvania at Wikimedia Commons

U.S. Route 15
Previous state: Maryland	Pennsylvania	Next state: New York

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[PennDOT-1] "Annual Electronic Straight Line Diagrams by County". Pennsylvania Department of Transportation. 2013. Retrieved August 27, 2013.

[PennDOT_1940-2] Official Road Map of Pennsylvania (PDF) (Map). Pennsylvania Department of Highways. 1940. Retrieved December 16, 2014.

[1941news-3] "Local Road Route Changes Affect Harrisburg Drivers". The Evening News. Harrisburg, PA. June 20, 1941. p. 18. Retrieved August 14, 2015 – via Newspapers.com.

[PennDOT_1950-4] Official Road Map of Pennsylvania (PDF) (Map). Pennsylvania Department of Highways. 1950. Retrieved January 1, 2014.

[5] ttp://www.steubencourier.com/x821893261/Interstate-99-on-the-final-stretch

[6] "Proposed Roadway Route Designations" (PDF). Central Susquehanna Valley Transportation Project. Archived from the original (PDF) on August 14, 2015. Retrieved December 9, 2019.

[penndot-vlog-7] "Video Log". Pennsylvania Department of Transportation. Retrieved June 9, 2016.

[PAHwys-8] Kitsko, Jeffrey J. (2011). "U.S. Route 15". Pennsylvania Highways. Retrieved February 25, 2013.

[Gazette-9] "Route 15 southbound lanes opened". The Wellsboro Gazette. November 18, 2009. Retrieved February 25, 2013.

Pennsylvania Turnpike Commission
Completed highways	Mainline Turnpike (I-70, I-76, I-95, I-276) Northeast Extension (I-476) James E. Ross Highway (I-376) Amos K. Hutchinson Bypass (Turnpike 66)
Partially-completed highways	I-95 Connector Mon–Fayette Expressway (Turnpike 43) Southern Beltway (Turnpike 576)
Tunnels and bridges	Allegheny Mountain Tunnel Allegheny River Bridge Beaver River Bridge Blue Mountain Tunnel Delaware River Bridge Kittatinny Mountain Tunnel Lehigh Tunnel Mingo Creek Viaduct Mon–Fayette Expressway Bridge Schuylkill River Bridge Susquehanna River Bridge Tuscarora Mountain Tunnel
Aborted expansion plans	Chester Extension Erie Extension Gettysburg Extension Keystone Shortway Northwest & Southwest Extension Philadelphia Loop Extension Scranton Extension
Historical structures	Abandoned Pennsylvania Turnpike Rays Hill Tunnel Sideling Hill Tunnel Laurel Hill Tunnel South Pennsylvania Railroad Negro Mountain Tunnel Quemahoning Tunnel
Tolling systems	E-ZPass Cashless Tolling