Complex sentence: All WTRM-operated lines are owned by the nonprofit Economic Development Rail II Corporation (EDR-II); the WTRM however owns several lines that are leased to the affiliated Youngstown Belt Railroad.
Split into simpler sentences: All WTRM-operated lines are owned by the nonprofit Economic Development Rail II Corporation (EDR-II). The WTRM however owns several lines that are leased to the affiliated Youngstown Belt Railroad.