Rock to Nottingham, PA  -  PRR

Emmitsburg   -   Emmitsburg

Ashland to New Freedom, PA  -  Northern Central (PRR/PC)

Mt. Airy Branch/Loop  -  Baltimore & Ohio

Keymar to Union Bridge  -  Pennsylvania RR

Williamsport Spur  -  Western Maryland

McDaniel to Ocean City  -  Baltimore & Eastern

White Plains to Indian Head  -  US Navy (temp. leased to Indian Head Central)

Queenstown to Love Point  -  Baltimore & Eastern

Clayton, DE via Easton, MD to Oxford, MD  -  Pennsylvania RR

Popes Creek Branch (Lothair to Popes Creek)  -  Pennsylvania RR

Frederick to Thurmont  -  Potomac Edison

Frederick to Hanover, PA (2 segments)  -  Pennsylvania RR

Weverton to Roxbury  -  Baltimore & Ohio

Georgetown Branch  -  Baltimore & Ohio

Abandoned Railroads of Maryland

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Georgetown Branch  -  Baltimore & Ohio

Weverton to Roxbury  -  Baltimore & Ohio

Frederick to Hanover, PA (2 segments)  -  Pennsylvania RR

Frederick to Thurmont  -  Potomac Edison

Popes Creek Branch (Lothair to Popes Creek)  -  Pennsylvania RR

Clayton, DE via Easton, MD to Oxford, MD  -  Pennsylvania RR

Queenstown to Love Point  -  Baltimore & Eastern

White Plains to Indian Head  -  US Navy (temp. leased to Indian Head Central)

McDaniel to Ocean City  -  Baltimore & Eastern

Williamsport Spur  -  Western Maryland

Keymar to Union Bridge  -  Pennsylvania RR

Mt. Airy Branch/Loop  -  Baltimore & Ohio

Ashland to New Freedom, PA  -  Northern Central (PRR/PC)

Emmitsburg   -   Emmitsburg

Rock to Nottingham, PA  -  PRR