Complex sentence: The company also runs a separate nearly 20 mile line from Oneco (just south of Bradenton) south through Sarasota and terminating just south of Sarasota at Palmer Ranch, with a short 5-mile branch from downtown Sarasota back north to Matoaka.
Split into simpler sentences: The company also runs a separate nearly 20 mile line from Oneco (just south of Bradenton) south through Sarasota. The Sarasota line also includes a short 5-mile branch from downtown Sarasota back north to Matoaka.