Circle line (London Underground) with the other London Underground sub-surface lines: the Hammersmith & City line from Hammersmith to just before Aldgate; the Metropolitan line from Baker Street to Aldgate; and the District line from Tower Hill station to Edgware Road station. The line is electrified with a four-rail DC system: a central conductor rail is energised at and a rail outside the running rail at , giving a potential difference of . The running rails are not electrified. Much of the double track railway from the Hammersmith terminus to Westbourne Park station is on a high brick viaduct. East of Westbourne Park the
Manila Light Rail Transit System Line 1 Department of Transportation (DOTr) and Light Rail Transit Authority (LRTA) for the operation and maintenance of LRT Line 1 and the construction of a PhP 65 billion extension project to Bacoor, Cavite. LRMC, in turn, contracted the operation and maintenance of the line for 20 years to RATP Dev under its subsidiary RATP Dev Transdev Asia, a joint venture between Transdev and RATP Dev.<ref> Manila Light Rail Transit System Line 1 The Manila Light Rail Transit System Line 1 is the first metro line of the Manila Light Rail Transit System. Presently, the line contains twenty stations and runs on