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Asheville District

• AS-Line (Salisbury – TN Border)
• ECBU (Selma East)
• O-Line/L-Line (Winston-Salem – Charlotte)

Charleston District

• SB-Line (Rock Hill – Catawba, SC)
• SC-Line (Columbia – Charleston)

Charlotte District

• Mainline (Linwood – Greenville)
• N-Line (Salisbury – Albemarle)
• M-Line (High Point – Asheboro)

Columbia District

• R-Line (Charlotte – Augusta)
• W-Line (Landrum – Columbia)

Danville District

• Mainline (VA Border – Linwood)
• NC-Line (Greensboro – Selma)
• K-Line (Greensboro – Winston-Salem)
• CF-Line (Greensboro – Gulf)

Greenville District

• Mainline (Greenville – GA Border)