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

Junction list:

• Lancaster County
• ET JCT US 30
• Begin/End SR 0772
• JCT PA 340
• M PA 340(E-W)/PA 772(E-W), SR 0340
• JCT PA 340
• JCT PA 23
• M PA 23(E-W)/PA 772(E-W), SR 0023
• JCT PA 23
• I US 222
• JCT PA 272
• JCT PA 501
• M PA 501(N-S)/PA 772(E-W), SR 0501
• JCT PA 501
• JCT PA 72
• M PA 72(S-N)/PA 772(E-W), SR 0072
• JCT PA 72
• I PA 283
• JCT PA 230
• M PA 230(W-E)/PA 772(E-W), SR 0230
• JCT PA 230
• Begin/End SR 0772
• WT JCT PA 441
• Lancaster County

Links and Sources:

• PA 72/PA 772 Multiplex
• PA 230/PA 772 Multiplex
• PA 340/PA 772 Multiplex
• PA 772 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania

Junction list:

• Westmoreland County
• ET JCT PA 380
• Begin/End SR 0780
• Begin/End SR 0780
• WT JCT PA 56/PA 366
• Westmoreland County

Links and Sources:

• PA 780 Termini · Adam Prince's Highway Beginnings and Endings in Pennsylvania