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US 11(N-S)/US 15(N-S) Duplex

US 11 and US 15 join for a long 58-mile, same-way duplex along the west side of the Susquehanna River from Shamokin Dam to Camp Hill through Snyder, Juniata, Perry, and Cumberland Counties.

This page covers the ends of the duplex. Several pages of photos of this duplex cover the route between the ends; see the US 11 or US 15 Corridor pages.


Timothy Reichard 8/6/02

Northbound US 11/US 15 approaching the northern split. The two routes have been joined for 58 miles from Camp Hill to here. The right lane is the offramp from PA 61 at its interchange and terminus.

 


Timothy Reichard 8/6/02

Overhead signs showing the split. US 15 continues as a four-lane highway, alternating divided and undivided to the White Deer bypass.

 


Timothy Reichard 8/6/02

That offramp from PA 61 becomes the right turning lane to US 11. Above the yellow cautionary sign is a distant mountain from across the Susquehanna River. Not only do US 11 and US 15 split here, but just north of here, the two branches of the Susquehannna River merge.

 


Timothy Reichard 8/6/02

The first northbound US 11 shield with the Susquehanna River along the route's side. Across the river is Sunbury and the PA 61/PA 147 duplex.

 


Timothy Reichard 8/6/02

Shields on US 11 southbound near the northern split. US 11 joins the US 15 mainline.

 


Timothy Reichard 8/6/02

Mileage signs at the beginning of the lengthy duplex. US 11/US 15 extends slightly past Harrisburg, about an hour's drive to the south.

 


Timothy Reichard 8/6/02

Signs and traffic signals at the northern split, still in the view of US 11 southbound.

 


Timothy Reichard 8/6/02

If you make a right turn, you will see US 15's first reassurance shield preceded by an I-80 trailblazer.

 


Timothy Reichard 8/6/02

On US 15 south, US 11 enters from the left. The river is just beyond the closer trees.

 


Timothy Reichard 8/6/02

First reassurance shields southbound at the rural north end of US 11/US 15. The PA 61 overpass is just around the bend.

 


Timothy Reichard 8/19/02

58 miles to the south, US 11/US 15 meets the interchange with the PA 581 Capitol Beltway in Camp Hill. US 11 exits onto the Beltway as US 11/PA 581 while US 15 continues south on its own freeway. The first exit of the cloverleaf interchange is to US 11/PA 581.

 


Timothy Reichard 8/19/02

Now on US 15 alone, the exit to PA 581 east is next.

 


Timothy Reichard 7/24/02

Exit 5 of PA 581 is the southern split of US 11/US 15 and the eastern split of US 11/PA 581. US 11 leaves PA 581 and joins US 15 in Camp Hill. This interchange is almost 60 miles from the northern split of US 11/US 15.

 


Timothy Reichard 7/24/02

US 15 south heads to Gettysburg, while US 11/US 15 northbound start a 50-mile duplex to Shamokin Dam along the west shore of the Susquehanna River.

 


Timothy Reichard 8/19/02

The US 11/PA 581 eastern split. The cloverleaf interchange has tightly curved ramps and is quite congested at rush hour. PennDOT is studying this intersection for a future upgrade to ease congestion and increase safety. PA 581 ends at I-83 at the next exit.

 


Timothy Reichard 8/19/02

The view of the southern split as seen from US 15 northbound. US 11 leaves PA 581 to join US 11/US 15, which begins straight ahead.

 


Timothy Reichard 8/19/02

US 11 merges onto US 15 here from the right. The south end of the duplex begins here.

 

 

Future Construction

The US 11/US 15 duplex will soon be shortened when the planned US 15/PA 147 Shamokin Dam Bypass is completed (2008?). US 11 will remain routed through Shamokin Dam, but duplexed with a new Business US 15 from the north stub end of the Selinsgrove Bypass (where current US 11/US 15 and US 522 meet) to the current US 11/US 15 split, which will be a US 11/Business US 15 split. US 15 will leave US 11 at the north stub end of the Selinsgrove bypass and continue on a new alignment that will extend the bypass around Hummels Wharf and Shamokin Dam. West of Shamokin Dam, PA 147 will join US 15 northward to a new Winfield interchange, from which US 15 will continue northward on its current route.

Terraserver Imagery

  • Topo. 1969 · US 11/US 15 northern split near Shamokin Dam, before Selinsgrove bypass was built
  • Topo. 1987 · US 11/US 15 northern split near Shamokin Dam, old traffic circle at junction
  • Topo. 1987 · US 11/US 15 and US 522 NT interchange and US 522 old NT north of Selinsgrove
  • Topo. 1987 · US 11/US 15 and PA 35 interchange south of Selinsgrove
  • Topo. 1969 · US 11/US 15 southern split near Camp Hill, before PA 581 was built
  • Topo. 1987 · US 11/US 15 southern split in Camp Hill before PA 581 was designated
  • Aerial 1999 · US 11/US 15 northern split near Shamokin Dam and PA 61 NT interchange. Remnants of old traffic circle can be seen.
  • Aerial 1999 · US 11/US 15 and US 522 NT interchange, northern stub end of Selinsgrove bypass
  • Aerial 1999 · US 522 Old NT at Market Street/Old US 11/Old US 15 north of Selinsgrove
  • Aerial 1999 · US 11/US 15 and PA 35 NT interchange and PA 35 Old NT at Market Street/Old US 11/Old US 15 south of Selinsgrove
  • Aerial 1999 · PA 104 ST at US 11/US 15 north of Liverpool
  • Aerial 1999 · PA 17 ET at US 11/US 15 in Liverpool
  • Aerial 1999 · PA 34 NT at US 11/US 15 south of Liverpool
  • Aerial 1992 · US 11/US 15 and US 22/US 322 interchange near Amity Hall
  • Aerial 1992 · PA 274 ET interchange at US 11/US 15 in Duncannon
  • Aerial 1993 · PA 850 ET at US 11/US 15 in Marysville
  • Aerial 1993 · US 11/US 15 and I-81 interchange near Summerdale
  • Aerial 1993 · PA 944 ET at US 11/US 15 in West Fairview
  • Aerial 1999 · PA 641 and US 11/US 15 intersection in Camp Hill, just south of the old US 11/US 15 southern split with the Carlisle Pike/Old US 11
  • Aerial 1999 · US 11/US 15 southern split at PA 581 interchange near Camp Hill
  • US 15 Interchange Browser

Adjacent Multiplexes

11 147
11 581
180 15 220
15 74

 

 


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