Complex sentence: The city is also served by Interstate 76 (the Schuylkill Expressway) which runs along the Schuylkill River, intersecting the Pennsylvania Turnpike at King of Prussia and providing access to Harrisburg and points west.
Split into simpler sentences: The city is also served by the Schuylkill Expressway, a portion of Interstate 76 that runs along the Schuylkill River. It meets the Pennsylvania Turnpike at King of Prussia, Pennsylvania, providing access to Harrisburg, Pennsylvania and points west.