  |
  |
Now US 119 from US 219 to US 22. Replaced 76. Intersected
110-410 from south to north. |
|
Exists
in Berks, Lancaster, and Chester Counties. Replaced 42 (later US 120, later US
122) from US 222 to US 1. Unrelated to x10 family. |
   |
Exists
in Indiana County. Intersected 10. |
 |
Exists
in Indiana and Armstrong Counties. Intersected 10. |
 |
Exists
in Jefferson County. Intersected 10. |
 |
Exists
in Jefferson and Clearfield Counties. Intersected 10. |
 |
Never
assigned? |
 |
Never
assigned? |
 |
Never
assigned? |
 |
 |
11
was the pre-1928 number for US 40 and was eliminated in favor of 81 to avoid duplication
with US 11. There is no x11 family, probably because of the existence of the US
x11 family. |
 |
Never
assigned? There was a US 111. |
|
Never
assigned? |
|
Never
assigned? |
|
Never
assigned? |
|
Never
assigned? |
|
Exists
in Monroe, Northampton, Bucks, Montgomery, and Philadelphia Counties. Replaced
US 611, which earlier had been 2. Related to US x11 family but not to other PA
x11s. |
|
Exists
in Fayette, Westmoreland, and Indiana Counties. Geographically close to 11 (now
US 40), but probably is unrelated. 711 is the parent route for the x11 family,
which consists of 711 alone. |
  |   | Exists
crossing from New York to Maryland via Scranton, Selinsgrove, Harrisburg, and
Chambersburg. Intersected US 11, US 111, US 611, and US 711. Had 1928 numbers
2 (New York to Scranton), 39 (Scranton to Northumberland), 4 (Northumberland to
Harrisburg), and 33 (Harrisburg to Maryland). |
   |
Now US 15, I-180, 147, US 22/US 322, I-83 from New York to Maryland. Intersected
US 11 and US 711. Had 1928 numbers 4 (New York to Northumberland and Harrisburg
to Maryland). |
 | Now
I-380, 435, and 611 from Scranton to Philadelphia. Intersected US 11. Had the
1928 number 2. |
|
Exists
in Monroe, Northampton, Bucks, Montgomery, and Philadelphia Counties. Replaced
US 611, which earlier had been 2. Related to US x11 family but not to other PA
x11s. Now orphaned. |
 | Replaced
by US 220, PA 405, and US 111 from New York to US 11. Intersected US 11 and US
111. |
 |
 |
Now
bypassed by 33 and 512 from US 209 to US 22 and 378 from Allentown to 309. Once
extended south along 309 and US 1 to Maryland. Intersected 112-612 from south
to north. |
|
Exists
in Berks County. Unrelated to x12 family. |
 |
Now
SR 4015 from 352 to 12 (now US 1). Intersected 12. |
|
Exists in Bucks County. Intersected 12 (old 309)
and runs concurrently as 212/412. |
|
Now
SR 3001 and SR 4063 from 12 (now 309) at Center Valley to 12 (now 309) at Quakertown.
Intersected 12 (now 309) and maybe 212. |
|
Exists in Bucks and Northampton Counties. Intersected
12 (now 309) and runs concurrently as 212/412. |
|
Exists
in Northampton County. Intersected 12. |
|
Now
SR 2002 or SR 2004 from 33 to 191. Intersected 12. |
|
Now
512 from 611 to 191, now SR 1015 from 191 to 611. |
 |
 |
13 was the pre-1928 number for the Philadelphia-Chambersburg
highway via US 422, US 322, and US 11. 13 was discarded in 1928 to avoid duplication
with US 13. 13 became 17 (Philadelphia to Harrisburg), 43? (Harrisburg to Carlisle),
and 33 (Carlisle to Maryland). Nonetheless, there is an x13 family based on parent
route 113. |
 |
Exists
in Bucks, Montgomery, and Chester Counties. Used to extend east on 313 and the
current 413. 113 is the parent route for the x13 family since 13 was discarded
to avoid duplication with US 13. Intersected 13, 213, 313, both 413s, 513, 613,
and even 813. |
|
Exists
in Bucks County. Intersected 113 (now 413) and current 413. |
|
Exists
in Bucks County. Intersected 113 (now 313). |
|
Connected
309 in Sellersville with 113 between junctions with 152 and 313. Intersected 113.
|
|
Exists
in Bucks County. Replaced 113 south of US 202. Intersects 113 (now 413), 213,
and 513. Possibly the earlier 413 evolved piecewise into the present route, in
which case there was only one 413. Continues into New Jersey as NJ 413. |
|
Exists
in Bucks County. Intersected 113 (now 413). |
|
Now
SR 4101 and SR 4041 from 212 to 313. Intersected 113 and 313. |
|
Now
413 from US 1 to US 13. Intersected 113 and 513 and was replaced by 413. |
 |
Possibly
is now SR 4035 from Perkasie to Souderton. Intersected 113. The number 813 may
have been chosen for an seventh child route of 113.child route. |
 |  | Exists
in Bucks, Philadelphia, and Delaware Counties. Had 1928 numbers 32 (Morrisville
to Philadelphia) and 91 (Philadelphia to Delaware). |
 |
 |
Exists
in Lycoming, Tioga, and Bradford Counties. Once extended south via US 15, I-180,
PA 147, US 11/US 15, and US 15 to at least Gettysburg and may have followed current
97 south to Maryland. 14 intersected 114-514 from south to north and continues
into New York as NY 14, which intersects NY 414. Both 14 and NY 14 fit into each
state's numbering system. |
  | Continuation
of PA 14 in New York. Intersects 14 and NY 414. |
 |
Exists
in Cumberland and York Counties. Intersected 14. |
|
Now
SR 2014 from 641 to US 15. Intersected 14 and 114. |
|
Exists
in York County. Probably unrelated to x14 family. |
|
Now
SR 1013 from 944 to 214. Intersected 14 and 214. |
|
Exists
in Monroe County. Unrelated to x14 family. |
|
Exists
in Bradford, Tioga, and Lycoming Counties. Intersects 14 and 514. |
   | Exists
in New York and intersects NY 14. Probably a x14 numbering coincidence. |
|
Exists
in Bradford County. Intersects 14 and 414. |
|
Never
assigned? |
|
Never
assigned? |
 |
 |
15
was eliminated in 1928 to avoid duplication with US 15. 115 is the parent of x15
family. |
 |
Exists
in Monroe and Luzerne Counties. Once extended west along 118, 239, 154, and 87
to I-180. Swapped routings with 154 and then with 642. Intersected 315, 415, 615
and comes very close to 715. 115 is the parent route for the x15 family. |
|
Now
SR 2016 and SR 2035 from Thornhurst to Pittston. Intersected 315. |
|
Exists
in Erie County. Unrelated to x15 family. |
|
Exists
in Luzerne County. Intersected 115 and 215. |
|
Exists
in Luzerne and Wyoming Counties. Intersected 115 and 515. Now orphaned. |
|
Now
SR 1415 along east shore of Harveys Lake. Intersected 415 twice. |
|
Now
940 from 423 to 191. Intersected 115 (now 940). |
|
Exists
in Monroe County. Intersected 115. |
|
|  | Exists
as a major north-south route from the New York border to the Maryland border via
Williamsport and Harrisburg. Had 1928 numbers of 14 (Harrisburg to Gettysburg)
and 34? (Gettysburg to Maryland). |
 |
 |
Exists
in Adams, Franklin, and Fulton Counties. 16 is the parent route for 116, 316,
and 416, intersecting those routes from east to west. 116 then intersects 216
and 516, and 216 connects to 616. |
 |
Exists
in Adams and York Counties. Intersects 16, 216, and 516. |
|
Exists
in York County. Intersects 216, 516, and 616. |
|
Exists
in Franklin County. Intersects 16. |
|
Exists
in Franklin County. Intersects 16. |
|
Exists
in York County. Intersects 116 and 216. |
|
Exists
in York County. Intersects 216. |
|
Never
assigned? |
 |
 |
Exists
in Perry County as part of the 17 that became US 224 and US 422 in two segments
across the state. Intersected 117-317 from east to west. OH 17 was a continuation
of the original 17. |
|
Now
I-86 from I-90 to New York state line. Unrelated to other x17s but was a continuation
of NY 17. |
 | Exists
in Bradford County. NY 17 dips into Pennsylvania. |
|---|
  |
Now US 224. Continuation of 17 in Ohio. |
 |
Exists
in Lebanon County. Intersected 17 (now US 422). |
|
Possibly now US 422 from New Castle to the Ohio state line. Intersected
17 and 317.
|
|
Exists
in Indiana and Westmoreland Counties. Unrelated to other x17s. |
|
Now
US 224 from Ohio state line to US 422. Swapped routes with 17 when US 224 was
signed. |
|
Exists
in Lawrence County. Replaced 17 from New Castle to Ohio. |
|
Exists
in Venango County. Unrelated to other x17s. |
|
Never
assigned? |
|
Never
assigned? |
|
Never
assigned? |
 |
 |
Exists
in Erie, Crawford, Mercer, Lawrence, Beaver, Washington, and Greene Counties.
Intersected 118-618 from south to north. Also intersects 718 and comes close to
the curent 218. |
 |
Now
168 and SR 3016 from SR 3027 to 18. Intersected 18. |
|
Exists
in Lycoming, Columbia, and Luzerne Counties. Replaced 115 and original 642. |
|
Now
208 and 551 from 18 in New Wilmington to 18 near West Middlesex. Intersected 18. |
|
Exists
in Greene County and extends as WV 218 into West Virginia. Intersects US 19/21
near 18. |
|
Exists
in Mercer County. Intersected 18, 418 (now 718), and 718. |
|
Exists
in Mercer County. Intersected 18, 518, and 718. |
|
Exists
in Mercer County. Intersects 18 twice and 418. |
|
Exists
in Crawford County. Intersects 18. |
|
Exists
in Mercer County. Intersects 318 and 418. |
 |
 |
19 was the pre-1928 number for US 11 (Scranton to Selinsgrove),
and US 522 (US 11 to US 22). 19 was eliminated in favor of 39 to avoid duplication
with US 19. There is no x19 family because of the existence of the US x19 family. |
 |
Never
assigned? |
|
Never
assigned? |
|
Now
857 from US 119 to Maryland state line. Intersected US 119 and may be related
to US x19 family |
|
Exists
in Berks and Lebanon Counties. Unrelated to other x19s. |
|
Exists
in Washington County. Intersects US 19 and may be related to the US x19 family. |
|
Never
assigned? |
|
Never
assigned? |
 |  | Exists
as a major north-south route from Erie to the West Virginia state line via Pittsburgh.
Intersects US 119 and US 219. Not sure of the 1928 numbers. |
 | Exists
in Clearfield, Jefferson, Indiana, Westmoreland, and Fayette Counties. Intersects
US 19 and US 219. Had 1928 numbers 10 (DuBois to Blairsville) and 66 (New Alexandria
to West Virginia). |
 | Exits
as a major north-south route from New York to Maryland via Dubois and Johnstown.
Intersects US 19 and US 219. Had 1928 numbers 10 (New York to DuBois) and 60 (DuBois
to Maryland). |
|
Now
857 from US 119 to Maryland state line. Intersected US 119 and may be related
to US x19 family. |
|
Exists
in Washington County. Intersects US 19 and may be related to the US x19 family. |
