Complex sentence: A former rail line which once joined Sherbrooke to Beebe before crossing the U.S. border was abandoned and removed by the Canadian Pacific Railway in 1989--1991; the former right-of-way remains open for recreational use.
Split into simpler sentences: A former rail line which once joined Sherbrooke to Beebe before crossing the U.S. border was abandoned and removed by the Canadian Pacific Railway in 1989 &--1991. The former right-of-way remains open for recreational use.