Circle line (London Underground) and the C Stock trains have recently been replaced by new seven-car S Stock trains, in a programme completed in 2015. In 1863 the Metropolitan Railway, the world's first underground railway, opened in London between Paddington and Farringdon, connecting the Great Western Railway's relatively remote terminus at Paddington with Euston and King's Cross stations and the City, London's financial heart. In the same year a select committee report recommended an 'inner circle' of railway lines connecting the London termini that had been built or under construction. In the next year the Metropolitan District Railway (commonly known as the District Railway)
Hornchurch and Upminster (UK Parliament constituency) Census. The seat, like the London borough, is the only one in London that extends beyond the M25 motorway. The seat was the proposal of the Boundary Commission's Fifth Periodic Review of Westminster constituencies in 2008-9 and was after consultation accepted by Parliament. Hornchurch and Upminster is essentially an expansion of the old Upminster seat to include a chunk of the old Hornchurch seat – specifically Hornchurch itself. Most of the western wards of Hornchurch went to the new Dagenham and Rainham seat. The constituency of Hornchurch and Upminster is made up of eight electoral wards from the London Borough