Complex sentence: Soon after the DL&W Railroad completed the Pennsylvania Cutoff in 1915 to streamline its operations, it abandoned its old route between Clarks Summit and Hallstead, and gave the roadbed to the Commonwealth of Pennsylvania for the express purpose of building a new highway.
Split into simpler sentences: Soon after the DL&W Railroad completed the Pennsylvania Cutoff in 1915 to streamline its operations, it abandoned its old route between Clarks Summit and Hallstead. It then gave the roadbed to the Commonwealth of Pennsylvania for the express purpose of building a new highway.