Often a route remained on its old alignment, while the signed Traffic Route was moved to a newer bypass with a different number.
| Route |
From |
To |
Post-1987 numbers |
Notes |
| 1 |
Market Street (LR 1/LR 139 - State Route 3012) and Second Street |
Harrisburg |
Front Street (LR 1/LR 18 - PA Route 61/PA Route 147) and Market Street (LR 161 - PA Route 61) |
Sunbury |
State Route 3012, State Route 3009, U.S. Route 22, PA Route 147 |
| 2 |
King Street (LR 2/LR 18 - U.S. Route 11 south/PA Route 147) and Water Street (LR 2 Parallel/LR 18 - U.S. Route 11/PA Route 147) |
Northumberland |
Northumberland Street (LR 2/LR 3 - U.S. Route 11) and Mill Street (LR 182 - PA Route 54) |
Danville |
U.S. Route 11 |
| 3 |
Northumberland Street (LR 2/LR 3 - U.S. Route 11) and Mill Street (LR 182 - PA Route 54) |
Danville |
Main Street (LR 3/LR 4/U.S. Route 11) and Market Street |
Bloomsburg |
U.S. Route 11 |
| 4 |
Main Street (LR 3/LR 4/U.S. Route 11) and Market Street |
Bloomsburg |
South Street (LR 4/LR 40036 - State Route 2007) and Washington Street (LR 40036 - State Route 2012) |
Wilkes-Barre |
U.S. Route 11, State Route 2005, State Route 2004, State Route 2007 |
| 5 |
River Street (LR 5/LR 5 Spur - State Route 2004) and Courtright Avenue (LR 169 - State Route 2009) |
Wilkes-Barre |
Blakely Street (LR 5/LR 168 - State Route 2020/State Route 6011) and Green Ridge Street (LR 168 - State Route 6011) |
Dunmore |
State Route 2004, U.S. Route 11, State Route 2035, U.S. Route 11, PA Route 307, State Route 6011 |
| 6 |
Oak Street (LR 6 - State Route 3033) and Keyser Avenue (LR 671 - State Route 6307) |
Scranton |
Main Street (LR 6/LR 7 - U.S. Route 6/PA Route 191) and 9th Street |
Honesdale |
State Route 3033, U.S. Route 6 |
| 7 |
Main Street (LR 6/LR 7 - U.S. Route 6/PA Route 191) and 9th Street |
Honesdale |
Hartford Street (LR 7/LR 167 - U.S. Route 6/U.S. Route 209) and Broad Street (LR 8 - U.S. Route 6/U.S. Route 209) |
Milford |
U.S. Route 6 |
| 8 |
Broad Street (LR 8 - U.S. Route 6/U.S. Route 209) and Hartford Street (LR 7/LR 167 - U.S. Route 6/U.S. Route 209) |
Milford |
Mid-Delaware Bridge (LR 8 - U.S. Route 6/U.S. Route 209) |
Matamoras |
U.S. Route 6 |
| 9 |
Market Street (LR 9 - State Route 6011) and Main Avenue (LR 168 - State Route 6011) |
Scranton |
Church Street (LR 9/LR 14 - PA Route 29/PA Route 167/PA Route 706), Main Street (LR 12 - PA Route 29) and Public Avenue (LR 57024 - State Route 1043) |
Montrose |
State Route 6011, U.S. Route 11, PA Route 706 |
| 10 |
U.S. Route 11 (LR 9/LR 10) and PA Route 706 (LR 9) |
New Milford Township |
New York state line (LR 10 - PA Route 92) |
Oakland Township |
U.S. Route 11, PA Route 171, PA Route 92 |
| 11 |
Market Street (LR 11 - State Route 1006) and Washington Street (LR 40036 - State Route 2012) |
Wilkes-Barre |
Bridge Street (LR 11/LR 12 - PA Route 29) and Tioga Street (LR 232/LR 241 - U.S. Route 6) |
Tunkhannock |
State Route 1009, U.S. Route 11, State Route 1013, PA Route 309, PA Route 29 |
| 12 |
Bridge Street (LR 11/LR 12 - PA Route 29) and Tioga Street (LR 232/LR 241 - U.S. Route 6) |
Tunkhannock |
Main Street (LR 12 - PA Route 29), Public Avenue (LR 57024 - State Route 1043) and Church Street (LR 9/LR 14 - PA Route 29/PA Route 167/PA Route 706) |
Montrose |
PA Route 29 |
| 13 |
PA Route 87 (LR 13) and U.S. Route 6 (LR 241) |
Washington Township |
PA Route 187 (LR 13/LR 15) and U.S. Route 6 (LR 15/LR 241) |
Wysox Township |
PA Route 87, State Route 4002, PA Route 187 |
| 14 |
Church Street (LR 9/LR 14 - PA Route 29/PA Route 167/PA Route 706), Main Street (LR 12 - PA Route 29) and Public Avenue (LR 57024 - State Route 1043) |
Montrose |
State Route 2010 (LR 14/LR 08010) and PA Route 187 (LR 13) |
Terry Township |
PA Route 706, U.S. Route 6, State Route 2010 |
| 15 |
Franklin Street (LR 15 - U.S. Route 6) and Main Street (LR 17 - U.S. Route 6/State Route 2027) |
Towanda |
New York state line (LR 15 - PA Route 187) |
Windham Township |
U.S. Route 6, PA Route 187 |
| 16 |
Lightstreet Road (LR 16 - PA Route 487), Main Street (LR 4 - U.S. Route 11) and East Street (LR 4 - U.S. Route 11) |
Bloomsburg |
Muncy Street (LR 16/LR 16 Spur E - State Route 3013) and Main Street (LR 17/LR 321 - PA Route 42) |
Laporte |
PA Route 487, State Route 4049, State Route 2003. U.S. Route 220, State Route 3013 |
| 17 |
Main Street (LR 17/LR 321 - PA Route 42) and Muncy Street (LR 16/LR 16 Spur E - State Route 3013) |
Laporte |
Main Street (LR 17/LR 212 - U.S. Route 6) and Bridge Street (LR 08072 - State Route 3018) |
Towanda |
PA Route 42, U.S. Route 220, State Route 2027, U.S. Route 6 |
| 18 |
Front Street (LR 1/LR 18 - PA Route 61/PA Route 147) and Market Street (LR 161 - PA Route 61) |
Sunbury |
Washington Boulevard (LR 18 - State Route 2016) and Market Street (LR 289 - State Route 2023) |
Williamsport |
PA Route 147, PA Route 405, PA Route 44, State Route 1007, State Route 2014, State Route 2016 |
| 19 |
Water Street (LR 19/LR 240 - PA Route 405) and Main Street (LR 18 - State Route 2014) |
Muncy |
Cliff Avenue (LR 17/LR 19 - U.S. Route 220) and Main Street (LR 17 - PA Route 42) |
Laporte |
PA Route 405, U.S. Route 220, State Route 3015, U.S. Route 220 |
| 20 |
Hepburn Street (LR 20 - State Route 2016) and Market Street (LR 289/LR 41045 - State Route 2023) |
Williamsport |
New York state line (LR 20 - PA Route 14) |
South Creek Township |
State Route 2016, U.S. Route 15, PA Route 14 |
| 21 |
|
Trout Run |
|
Wellsboro |
|
| 22 |
|
Wellsboro |
New York state line |
|
|
| 23 |
|
Williamsport |
|
Lock Haven |
|
| 24 |
|
Sunbury |
|
Lewisburg |
|
| 25 |
|
Sunbury |
|
Middleburg |
|
| 26 |
|
Lewisburg |
|
Middleburg |
|
| 27 |
|
Winfield |
|
Bellefonte |
|
| 28 |
|
Middleburg |
|
Lewistown |
|
| 29 |
|
Lewistown |
|
Centre Hall |
|
| 30 |
|
Harrisburg |
|
Bloomfield |
|
| 31 |
|
Bloomfield |
|
Mifflintown |
|
| 32 |
|
Mifflintown |
|
Lewistown |
|
| 33 |
|
Lewistown |
|
Huntingdon |
|
| 34 |
|
Harrisburg |
|
Carlisle |
|
| 35 |
|
Carlisle |
|
Chambersburg |
|
| 36 |
|
Chambersburg |
Maryland state line |
|
|
| 37 |
|
Chambersburg |
|
McConnellsburg |
|
| 38 |
|
McConnellsburg |
Maryland state line |
|
|
| 39 |
|
McConnellsburg |
|
Bedford |
|
| 40 |
|
Carlisle |
|
Bloomfield |
|
| 41 |
|
Carlisle |
|
Gettysburg |
|
| 42 |
|
Gettysburg |
Maryland state line |
|
|
| 43 |
|
Gettysburg |
|
Chambersburg |
|
| 44 |
|
Gettysburg |
Maryland state line |
|
|
| 45 |
|
Fort Loudon |
|
Mifflintown |
|
| 46 |
|
Everett |
|
Huntingdon |
|
| 47 |
|
Bedford |
|
Hollidaysburg |
|
| 48 |
|
Bedford |
Maryland state line |
|
|
| 49 |
|
Bedford |
|
Somerset |
|
| 50 |
|
Somerset |
|
Uniontown |
|
| 51 |
|
Berlin |
Maryland state line |
|
|
| 52 |
|
Somerset |
|
Ebensburg |
|
| 53 |
|
Ebensburg |
|
Hollidaysburg |
|
| 54 |
|
Ebensburg |
|
Indiana |
|
| 55 |
|
Hollidaysburg |
|
Huntingdon |
|
| 56 |
|
Tyrone |
|
Pleasant Gap |
|
| 57 |
|
Tyrone |
|
Clearfield |
|
| 58 |
|
Bellefonte |
|
Lock Haven |
|
| 59 |
|
Clearfield |
|
Ridgway |
|
| 60 |
|
DuBois |
|
Brookville |
|
| 61 |
|
Brockway |
|
Brookville |
|
| 62 |
|
Curwensville |
|
Ebensburg |
|
| 63 |
|
Brookville |
|
Indiana |
|
| 64 |
|
Brookville |
|
Clarion |
|
| 65 |
|
Clarion |
|
Franklin |
|
| 66 |
|
Clarion |
|
Kittanning |
|
| 67 |
|
Kittanning |
|
Indiana |
|
| 68 |
|
Indiana |
|
Greensburg |
|
| 69 |
|
Kittanning |
|
Greensburg |
|
| 70 |
5th Street (LR 69/LR 70 - PA Route 128 and High Street (LR 69 - PA Route 128) |
Freeport |
Western Avenue (LR 70/LR 246 - State Route 4071/State Route 4084) and Allegheny Avenue (LR 246 and LR 652 - State Route 4001) |
Pittsburgh |
PA Route 128, PA Route 356, State Route 2019, State Route 1001, PA Route 28, State Route 4084 |
| 71 |
|
Kittanning |
|
Butler |
|
| 72 |
Main Street (LR 72/LR 73 - PA Route 8/PA Route 356) and Jefferson Street (LR 71 Parallel/LR 73 Parallel - PA Route 68/PA Route 356) |
Butler |
Butler Street (LR 70/LR 72 - State Route 1001/State Route 4019) and Freeport Street (LR 70 - State Route 1001) |
Etna |
PA Route 8, State Route 1003, State Route 4019 |
| 73 |
|
Butler |
|
Mercer |
|
| 74 |
|
Mercer |
Ohio state line |
|
|
| 75 |
|
Butler |
|
Van |
|
| 76 |
Carson Street (LR 76/LR 257 - PA Route 51/PA Route 837) and Main Street (LR 257 - U.S. Route 19 north/PA Route 51 north/PA Route 60 south) |
Pittsburgh |
3rd Street (LR 76/LR 243 - PA Route 68) between Market Street (LR A-892 - State Route 4018) and Commerce Street |
Beaver |
PA Route 51, State Route 3109, State Route 3077, State Route 3007, State Route 3002, PA Route 18, State Route 6018, State Route 4042, PA Route 68 |
| 77 |
|
Beaver |
|
New Castle |
|
| 78 |
|
Beaver |
|
Butler |
|
| 79 |
|
Butler |
|
New Castle |
|
| 80 |
|
New Castle |
|
Mercer |
|
| 81 |
|
New Castle |
Ohio state line |
|
|
| 82 |
|
Mercer |
|
Meadville |
|
| 83 |
|
Conneaut Lake |
Ohio state line |
|
|
| 84 |
|
Meadville |
|
Erie |
|
| 85 |
|
Meadville |
|
West Springfield |
|
| 86 |
Ohio state line |
|
|
Erie |
|
| 87 |
|
Erie |
New York state line |
|
|
| 88 |
|
Erie |
|
Warren |
|
| 89 |
|
Pittsfield |
|
Meadville |
|
| 90 |
|
Black Ash |
|
Franklin |
|
| 91 |
|
Franklin |
|
Tionesta |
|
| 92 |
|
Tionesta |
|
Shippenville |
|
| 93 |
|
Tionesta |
|
Youngsville |
|
| 94 |
|
Warren |
New York state line |
|
|
| 95 |
|
Warren |
|
Smethport |
|
| 96 |
|
Smethport |
New York state line |
|
|
| 97 |
|
Bradford |
|
Ridgway |
|
| 98 |
|
Ridgway |
|
Tionesta |
|
| 99 |
|
Ridgway |
|
Emporium |
|
| 100 |
|
Emporium |
|
Farmers Valley |
|
| 101 |
|
Smethport |
|
Coudersport |
|
| 102 |
|
Coudersport |
|
Wellsboro |
|
| 103 |
|
Coudersport |
|
New York state line |
|
| 104 |
|
Coudersport |
|
Forest House |
|
| 105 |
|
Emporium |
|
Lock Haven |
|
| 106 |
|
Lock Haven |
|
Wellsboro |
|
| 107 |
|
|
|
|
|
| 108 |
Noblestown Road (LR 108/LR 257 - PA Route 50/PA Route 60) and Crafton Boulevard (LR 257 - PA Route 60) |
Pittsburgh |
College Street (LR 108 - U.S. Route 19) and Maiden Street (LR 113 - U.S. Route 19/U.S. Route 40) |
Washington |
PA Route 50, State Route 3003, State Route 1009, PA Route 980, PA Route 519, U.S. Route 19 |
| 109 |
|
Washington |
|
Waynesburg |
|
| 110 |
|
Waynesburg |
West Virginia state line |
|
|
| 111 |
|
Waynesburg |
West Virginia state line |
|
|
| 112 |
|
Waynesburg |
|
Uniontown |
|
| 113 |
|
Uniontown |
|
Washington |
|
| 114 |
|
Washington |
West Virginia state line |
|
|
| 115 |
|
Washington |
|
Beaver |
|
| 116 |
|
Uniontown |
West Virginia state line |
|
|
| 117 |
|
Uniontown |
|
Greensburg |
|
| 118 |
|
Greensburg |
|
Washington |
|
| 119 |
|
Greensburg |
|
Bedford |
|
| 120 |
|
Greensburg |
|
Pittsburgh |
|
| 140 |
|
Harrisburg |
|
Lebanon |
US 22 |
| 140A |
|
Paxtonia |
|
Linglestown |
PA 39 |