London Borough of Havering Gallows Corner; which also forms the eastern end of the A118 local artery from Stratford. The A124 local artery from Canning Town terminates at Upminster. The District line of the London Underground runs roughly east–west through the middle of the borough and there is an extensive network of London Bus routes, linking all districts to Romford and other places beyond the borough. The London, Tilbury and Southend Railway (operated by c2c) passes through the borough in two places and the Great Eastern Main Line (operated by TfL Rail and Abellio Greater Anglia) passes through the north of the borough serving
Romford–Upminster line am and 8 pm on Sundays. The journey time from one terminus to the other is approximately nine minutes. During the construction of the railway in 1892, the geologist T. V. Holmes discovered a five-metre layer of boulder clay underlying the gravel and sand in a section just north of St. Andrew's Park. This is now the Hornchurch Cutting Site of Special Scientific Interest, which exhibits the southernmost limit of the Anglian ice sheet 450,000 years ago, the furthest south that any ice sheet reached. Romford–Upminster line The Romford–Upminster line is a railway branch line in Greater London that connects