London Underground with smaller trains that run in two circular tunnels ("tubes") with a diameter about . These lines have the exclusive use of a pair of tracks, except for the Piccadilly line, which shares track with the District line between Acton Town and Hanger Lane Junction and with the Metropolitan line between Rayners Lane and Uxbridge; and the Bakerloo line, which shares track with London Overground services north of Queen's Park. Fifty-five per cent of the system runs on the surface. There are of cut-and-cover tunnel and of tube tunnel. Many of the central London underground stations on deep-level tube routes
Upminster connected settlement of Cranham and the rural outlier of North Ockendon. In 2001 the population of Upminster ward was 12,674 and Cranham ward was 12,242, giving a total population of 25,098. 80.95% in Upminster and 81.73% in Cranham report their religion as Christian, compared to 76.13% for Havering, 58.23% in London and 71.74% in England. 10.08% in Upminster and 10.46% in Cranham report having no religion, compared to 13.18% in Havering, 15.76% in London and 14.59% in England. With a black and minority ethnic population of 3% in 2001, Cranham and Upminster wards have the lowest Simpson index for ethnic