Complex sentence: Entering Eddystone, the line passes the Boeing Helicopter Facility and Exelon's Eddystone Generation Facility, and after passing those two companies, the line briefly curves around a few industries before returning its concurrency with PA 291.
Split into simpler sentences: Entering Eddystone, the line passes the Boeing Helicopter Facility and Exelon's Eddystone Generation Facility. After passing those two companies, the line briefly curves around a few industries before returning to follow PA 291.