| Parent
Route Family | 800-Series
Routes | Remarks |
No
parent route |
   |
Never assigned? |
 | Never
assigned? |
 | Now
SR 3101, 121, and SR 3052 from US 19 to 50 in Allegheny County. |
 | Never
assigned? |
 | Never
assigned? |
 | Now
SR 4009 and I-279/Trk US 19 from 8 (now 28) near Millvale to 8 (now 28) in northwest
Pittsburgh in Allegheny County. |
 | Never
assigned? |
 | Never
assigned? |
 | Now
SR 1003 from 28 to 8 in Allegheny County. |
 | Never
assigned? |
 | Never
assigned? |
| Never
assigned? |
| Never
assigned? |
| Possibly
now SR 4035 from Perkasie to Souderton. Intersected 113. Maybe intended as an
extra x13 route? |
| Never
assigned? |
| Never
assigned? |
| Never
assigned? |
| Never
assigned? |
| Never
assigned? |
| Exists
in Westmoreland and Fayette Counties. Spur off 66 (now US 119). |
 |
Now 117 from US 322 to 241
in Lebanon County. Spur off 5 (now US 322). |
| Now
SR 2011 in Berks County from Business US 222 to Business US 222. Loop off 3 (later
US 222, now Business US 222). |
| Never
assigned? This route should have existed because 820 and 821 existed. |
| Now
SR 4001 from US 219 to 59 in McKean County. Spur off 10 (now US 219). |
| Now
4006 from 34 to SR 4008 in Adams County. Spur off 34. |
| Now
729 west from 253/453 in Clearfield County. Spur off 253/453. |
| Now
328 (formerly 84, then 287) from US 15 to New York State Line in Tioga County.
Continuation of NY 328. Spur off 4 (now US 15). |
| Now
611 near Martins Creek in Northampton. Spur off 2 (later US 611, now 611). |
| Now
near US 15 expressway from 64 (later US 220, now SR 2014) to 4 (later US 15, now
SR 1017) in Lycoming County. Spur off 4 (old US 15). |
| Now
SR 2011, SR 2009, and SR 2008 from 75 to 35 in Huntingdon County. Spur off 35
and 75. |
| Exists
in Huntingdon County. Replaced 76 from 376 (now 655) to 3 (now US 22). |
 |
Exists in Clearfield and Jefferson
Counties. Originally extended west to 28 and 968 (now SR 4005) in
Jefferson County. Intersected 6 (now US 219), 28, and 5 (now US 322). |
| A
short road on the north side of Altoona in Blair County, once intersecting 264
(now 764) and maybe 64 (now Business US 220). May have followed SR 4016 and SR
4019, and maybe SR 4009. Intersected at least one x64. |
  |
| Exists
in Erie County. Intersects 99 (now 5). |
 |
| Now
SR 3014 and SR 3017 from 96 to 96 in Bedford County. Intersects 96 twice. |
 |
| Near
SR 2018 in Wyoming County and SR 1041 in Luzerne County south from 292 (now SR
2020). Intersected 292. |
|
 
| | Near
1006 east from 88 (now SR 4019) in Allegheny County. Intersected 88. |
| Now
SR 1003 north from 88 (now SR 4019) in Allegheny County. Intersected 88. |
| Exists
in Allegheny and Washington Counties. Intersects current 88 and 88 (now US 19/51). |
 |
| Now
SR 1049, SR 1038, and SR 1047 in Bradford County and SR 4018 in Susquehanna County
from 187 to 858. Intersected 187. |
 |
| Exists
in Armstrong County. Intersects 85. |
|
 |
Now SR 3062 from 82 to 162
in Chester County. Intersected 82. 840-842 are spurs off 82 from north
to south. |
| Exists
in Chester County. Interesects 82. |
| Exists
in Chester County. Intersected 82. |
 |
| Now
240 and SR 1019 from 286 to 580. Intersected 80 (now 286). 843-844 are spurs off
80 (now 286) from north to south. |
| Now
SR 3021 in Indiana County and SR 2039 in Armstrong County from 286 to 156. Intersected
80 (now 286). |
| Exists
in Washington County. Replaced 31 from 18 to Ohio State Line. Not a sequentially
numbered route. |
 |
| Exists
in Mercer County. Intersected 78 (now 173). 845-846 are spurs off 78 (now 173)
from north to south. |
| Exists
in Mercer County. Originally followed 358 to 173. Intersected 78 (now 173). |
|
| Now
SR 3017, SR 3025, and either SR 3027 or SR 3019 from 915 to 829 in Huntingdon
County. Intersected 76 (now 829). 847-848 are spurs off 76 from north to south. |
| Now
SR 4012 and 4013 from 915 to 913 in Fulton County. Intersected 76 (now 655). |
| Exists
in Susquehanna County. Replaced 371 from US 11 to 547. Not a sequentially numbered
route. |
 |
| Exists
in Dauphin and Perry Counties. Intersects 74. 849-851 are spurs off 74 and 274
from north to south. |
