Street-railroads 87 History 24 Streets 19 Street railroads 10 Electric railroads 9 Local transit 8 Bus lines 7 more ... Transportation 7 Description and travel 6 Cars 5 Railroads 5 Trolley cars 5 Buses 4 Street railroad stations 4 African Americans 3 Civil rights 3 Segregation in transportation 3 Street railroads--Pennsylvania 3 Subways 3 Traffic accidents 3 Transit systems 3 Trucks 3 Automobiles 2 Construction 2 Piers & wharves 2 Railroads, Elevated 2 Safety 2 Traffic signs & signals 2 Trolley buses 2 Urban transportation 2 Actors 1 Aeronautics 1 Alcoholism 1 Alleys 1 Architecture--20th Century 1 Automobile dealers 1 Automobile industry and trade 1 Boats and boating 1 Bridges 1 Buildings 1 less ...