Question: The City Transit Division of Southeastern Pennsylvania Transportation Authority operates almost all of Philadelphia's public transit including all 79 trolley and bus lines within city limits. Six routes which five of them are the Subway-Surface Trolley Routes 10 11 13 34 & 36 whose tracks run both above and underground. Route 15 is the only all surface trolley route running as of 2013. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Company