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

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Junction list:

• Westmoreland County
• NT JCT PA 819
• Begin/End SR 0981
• JCT PA 156 NT
• JCT PA 286
• M PA 286(W-E)/PA 981(N-S), SR 0286
• JCT PA 286
• JCT US 22/US 119
• JCT US 30
• JCT PA 130
• M PA 130(E-W)/PA 981(N-S), SR 0130
• JCT PA 130
• JCT PA 819
• JCT PA 31
• M PA 31(E-W)/PA 981(N-S), SR 0031
• JCT PA 31
• Begin/End SR 0981
• ST JCT PA 51
• Westmoreland County

Links and Sources:

• PA 31/PA 981 Multiplex
• PA 130/PA 981 Multiplex
• PA 286/PA 981 Multiplex
• PA 981 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania
• I-70 PA History · Jeff Kitsko's Pennsylvania Highways

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Junction list:

• Westmoreland County
• NT JCT US 22/US 119
• Begin/End SR 0982
• I US 30
• JCT PA 130
• M PA 130(E-W)/PA 982(N-S), SR 0130
• JCT PA 130
• Westmoreland/Fayette County Line
• JCT PA 31
• Begin/End SR 0982
• ST JCT US 119
• Fayette County

Links and Sources:

• PA 130/PA 982 Multiplex
• PA 982 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

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Junction list:

• Cambria County
• NT JCT PA 403
• Begin/End SR 0985
• Cambria/Somerset County Line
• JCT US 30
• Begin/End SR 0985
• ST JCT PA 601
• Somerset County

Links and Sources:

• PA 985 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

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Junction list:

• Northampton County
• NT JCT PA 946
• Begin/End SR 0987
• JCT PA 248
• M PA 248(E-W)/PA 987(N-S), SR 0248
• JCT PA 248, PA 329 ET
• M PA 329(E-W)/PA 987(N-S), SR 0329
• JCT PA 329
• Northampton/Lehigh County Line
• Begin/End SR 0987
• ST I US 22
• Lehigh County

Links and Sources:

• PA 248/PA 987 Multiplex
• PA 329/PA 987 Multiplex
• PA 987 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

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Junction list:

• Beaver County
• NT JCT PA 68
• Begin/End SR 0989
• Begin/End SR 0989
• ST JCT PA 65
• Beaver County

Links and Sources:

• PA 989 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania