| Parent
Route Family | 900-Series
Routes | Remarks |
  |
   |
Now SR 1001 from
36 to Loretto in Cambria County. Intersected 36. 899-900 are spurs
off 36 from north to south. |
|
|  | Exists
in Schuylkill and Northumberland Counties. Intersected 33 (now US 209). 901-904
are spurs off 33 (now US 209) from west to east. |
 | Exists
in Carbon County. Intersected 33 (now US 209). |
 | Exists
in Monroe and Carbon Counties. Intersects US 209. |
 | Now
SR 3003 in Monroe County. Intersected US 209 at Kresgeville. |
 |
 | Now
SR 2007 in Allegheny County. Intersected 31 (now 136) near East Monongahela. 905-906
are spurs off 31 (now 136) from west to east. |
 | Exists
Allegheny, Westmoreland, and Fayette Counties. Intersected 31 (now 136). |
| |  | Never
assigned? This route should have existed because the 820-999 were assigned. Must
have been a spur off a member of the x28, x29, or x31 famillies. |
|---|
| Now
SR 1001 from 36 to Loretto in Cambria County. Replaced 900. Not a sequentially
numbered route. |
  |
 | Now
SR 1028 in Allegheny County. Intersected 28. 908-911 are spurs off 28 from north
to south. |
 | Now
366 and SR 4085 in Westmoreland County and SR 2075 in Allegheny County. Intersected
28. |
 |
Exists in Allagheny County.
Intersects 28. |
| Now
SR 3028 or SR 3031 in Allegheny County. Intersected 28 (now 50). |
| | | Never
assigned? This route should have existed because the 820-999 were assigned. Must
be a spur off a member of the x28, x27, or x26 families. |
|
| Exists
in Fulton, Huntingdon, and Bedford Counties. Intersects 26. 913-918 are spurs
off 26 and 326 from north to south. |
| Now
SR 1036 in Bedford County. Intersected 26. |
| Exists
in Franklin County. Not a sequentially numbered route. |
| Exists
in Bedford and Fulton Counties. Intersects 26. |
| Now
SR 2016 in Bedford County. Intersected 26. |
| Now
SR 2021 in Bedford County. Intersected 326 (now SR 2017). |
| Exists
in Washington County. Replaced 71 from US 40 to Bentleysville. Not a sequentially
numbered route. |
| Now
326 from Hewitt to Chaneysville; later swapped routing with 326 (now SR 2002)
to meet 26. Intersected 326. |
 |
| Now
SR 4020 from 901 to 125 in Schuylkill County. Intersected 125. |
 |
 |
Now 262 from 382 to 392 in
York County. Intersected 24 (now 382). 920-923 are spurs off 24 and
124 from north to south. |
| Exists
in York County. Intersected 24 (now 181) and current 24. |
| Now
SR 3022 and SR 3030 in Lancaster County. Intersected 124 (now 741). |
| Near
York Springs in York County. Maybe now part of 425 (former 124). Intersected 124
(now 425). |
|
| | Exists
in Luzerne and Schuylkill County. Intersected 29 (formerly 22 before 1928, now
309). 924-926 intersect 29 (formerly 22) from north to south. |
| Now
443 from 895 to 309 in Schuylkill County. Intersected 29 (now 309). |
| Exists
in Chester County. Intersected 29 (now US 202/US 322). |
 |
| Now
SR 1008 from 320 to near US 1 & I-476 interchange in Delaware County. Intersected
320, which takes the place of 20. |
|
 
| | Exists
in Fulton County. Intersects US 522. 928-929 intersect US 522 from south to north
(formerly 19 from west to east). |
| Now
SR 4018 and 235 in Snyder County. Intersects US 522. |
|
 |
Now SR 4028 from 168 to 68.
Also at one point followed 168 north to near New Castle. Intersected
18. 930-931 are spurs off 18 from north to south. |
| Now
SR 3042 in Beaver County. Intersects 18. |
|
| | Now
SR 4001 in Lawrence County from US 422 to US 224. Intersected 217 (now US 422).
932-935 are spurs off 217 and 17 (now US 422) from west to east. |
| Now
271 from US 422 to US 219. Intersected 17 (now US 422). |
| Exists
in Lebanon County. Intersected 17 (later US 22, now US 422). |
| Now
SR 2021, SR 2017 and SR 2019 from 897 to 17 (later US 22, now US 422). |
| Now
SR 2047 from US 422 to 83 (now 724) in Berks County. Intersected 17 (now US 422). |
|
| Now
SR 3042 from 216 (now 616) to 516. Intersected 216, 516, and 616; originally spur
off 216 (now 616). |
|
| Now
154 north of 87 and SR 4001 from 154 to 87. Intersected and was partially replaced
by 115 (now 154). 938 and 940 are spurs off 115 from west to east. |
| Never
assigned? This route should have existed because the 820-999 were assigned. Must
be a spur off a member of the x15 family. |
 |
Exists in Monroe, Carbon,
and Luzerne Counties. Intersects 115. |
|
| Now
414 from 14 to 287. Intersected 14. 941-944 are spurs off 14 from north to south. |
| Now
SR 3012 and SR 3003 in Bradford County, SR 1013 and SR 1015 in Lycoming County,
and SR 4003 and SR 4002 in Sullivan County from 14 to 154. Intersects 14. |
| SR
1004 from 14 to Calvert. Intersects 14. |
| Exists
in Cumberland County. Intersected 14 (now US 11/US 15). |
|
| Now
SR 2023 in Monroe County. Intersected 612 near East Stroudsburg. 945-946 are spurs
off 512 and 612 of the x12 family. |
| Exists
in Northampton County. Intersects 512. 945-946 are spurs off 512 and 612 of the
x12 family. |
| | | Never
assigned? This route should have existed because the 820-999 were assigned. Must
be a spur off a member of the x10, x11, or x12 family. |
|
| | Exists
in Warren, Forest, and Elk Counties. Intersected 10 (formerly 6, now US 219).
948-954 are spurs off 10 (now US 219 and US 119), 210, and 310 from north to south. |
| Exists
in Elk and Jefferson Counties. Intersected 10 (formerly 6, now US 219). |
