PA 391-400 | PA 401 | PA 402 | PA 403 | PA 405 | PA 407 | PA 408 | PA 409 | PA 410 | PA 411-420

Abbreviations:
JCT = Junction
I = Interchange
M = Multiplex (click below on this abbreviation for a multiplex page)
NT, ST, ET, WT = Northern, Southern, Eastern, and Western Terminus (click below on one of these abbreviations for a route terminus page)
NS, SS, ES, WS = Northern, Southern, Eastern, and Western Split of multiplex

PA 401

Junction list:

• Chester County
• ET JCT US 30
• Begin/End SR 0401
• I US 202
• JCT PA 113
• JCT PA 100
• JCT PA 345
• JCT PA 82
• Chester/Berks County Line
• Begin/End SR 0401
• WT JCT PA 23
• Berks County

Links and Sources:

• PA 401 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

PA 402

Junction list:

• Pike County
• NT JCT UA 6
• Begin/End SR 0402
• I I-84 Exit 30[8]
• Pike/Monroe County Line
• Begin/End SR 0402
• ST JCT US 209
• Monroe County

Links and Sources:

• PA 402 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

PA 403

Junction list:

• Indiana County
• NT JCT US 119
• Begin/End SR 0403
• JCT PA 286
• M PA 286(W-E)/PA 403(N-S), SR 0286
• JCT PA 286
• JCT PA 553
• M PA 403(N-S)/PA 553(W-E)
• JCT PA 553
• JCT US 422 (Western)
• I PA 403
• JCT PA 711 NT
• Indiana/Cambria County Line
• JCT PA 56
• M PA 56(W-E)/PA 403(N-S), SR 0056
• JCT PA 56
• JCT PA 271
• JCT PA 756 WT
• JCT PA 985 NT
• Cambria/Somerset County Line
• I US 219
• JCT PA 601
• Begin/End SR 0403
• ST JCT US 30
• Somerset County

Links and Sources:

• PA 403 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

PA 405

Junction list:

• Lycoming County
• NT JCT US 220
• Begin/End SR 0405
• JCT PA 118 WT
• JCT PA 442 WT
• I I-180 Exit 13
• JCT PA 54
• M NS PA 54(W-E)/PA 405(N-S), SR 0054
• Lycoming/Northumberland County Line
• M SS PA 54(W-E)/PA 405(N-S), SR 0054
• JCT PA 54
• JCT PA 44
• M PA 44(N-S)/PA 405(N-S), SR 0044
• JCT PA 44
• JCT PA 254 WT
• JCT PA 642
• JCT PA 45
• Begin/End SR 0405
• ST JCT PA 147
• Northumberland County

Links and Sources:

• PA 44/PA 405 Multiplex
• PA 54/PA 405 Multiplex
• PA 405 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania
• US 15/PA 147 Central Susquehanna Valley Transportation Project · PennDOT District 3

PA 407

Junction list:

• Susquehanna County
• NT JCT PA 374
• Begin/End SR 0407
• Susquehanna/Lackawanna County Line
• JCT PA 107
• JCT PA 438
• JCT PA 524 WT
• JCT PA 632
• M PA 407(N-S)/PA 632(E-W)
• JCT PA 632
• Begin/End SR 0407
• ST JCT US 6/US 11
• Lackawanna County

Links and Sources:

• PA 407 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania
• "drednock"

PA 408

Junction list:

• Crawford County
• ET JCT PA 8
• Begin/End SR 0408
• JCT PA 428 NT
• JCT PA 77
• M PA 77(W-E)/PA 408(E-W), SR 0077
• JCT PA 77
• Begin/End SR 0408
• WT JCT US 6/US 19, PA 86 NT
• Crawford County

Links and Sources:

• PA 408 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania
• PA 77 and PA 408 New Richmond · David Brunot's Meadville Area Highways

PA 409

Junction list:

• Bradford County
• NT JCT PA 706
• Begin/End SR 0409
• Begin/End SR 0409
• ST JCT US 6
• Bradford County

Links and Sources:

• PA 409 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

PA 410

Junction list:

• Clearfield County
• NT JCT US 219/US 322
• Begin/End SR 0410
• Clearfield/Jefferson County Line
• Begin/End SR 0410
• ST JCT US 119
• Jefferson County

Links and Sources:

• PA 410 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania