Complex sentence: By 1900, a third, all electric powered passenger rail line known as the Detroit United Railway (D.U.R.) was extended through Oxford from Detroit to Flint and was noted for maintaining limited cars daily, both north and southbound.
Split into simpler sentences: By 1900, a third, all electric powered passenger rail line known as the Detroit United Railway (D.U.R.) was extended through Oxford from Detroit to Flint. Noted for maintaining limited cars daily, both north and southbound.