 The fifth went to the north, and branched to include extra lines serving suburban areas.Additionally a short line linked the city centre to the Corporation Pier where a ferry crossed the Humber Estuary to New Holland, Lincolnshire.The early tramway system was worked from 1876 by horse power by the Hull Street Tramways company, except on the eastwards Hedon Road route which was operated by steam power from the outset by the Drypool and Marfleet Steam Tramways Company after 1899.