Baltimore & Ohio
B&O (CSX) Mainline Youngstown -
(Bike Trail on former Interurban right of way next to B&O - Struthers to New Castle)
Parker - Mount Jewett
Salmanca - Mount Jewett (portions shared with Erie)
Bessemer & Lake Erie
Conneaut - Pittsburgh Mainline
(Erie Extension Canal Towpath Trail)
Meadville Branch Ernst Bike Trail
Erie
Erie (EL/CR) Main Line Levittsburg (OH) - Salmanca (NY)
Erie Bradford Branch
New York Central
(CR) Clarion Secondary (Ashtabula - Shippenville)
(Three sections are official open trails)
Pennsylvania Railroad
Erie and Pittsburgh (PRR) Erie - Jamestown - Pittsburgh
(Two sections between Jamestown and Linesville are official bike trails)
Allegheny Valley
(Armstrong, Allegheny and Samuel Justice Trails along Allegheny River)