Bakerloo line 30 tonnes, and the trains would be 17% more energy-efficient with air-conditioning included, or 30% more energy-efficient without it. The intention is that these new trains would eventually operate on the Bakerloo, Central, Piccadilly and Waterloo & City lines. Off-peak services on Bakerloo line are: This forms a 20tph service (or a train every 3 minutes) between Queen's Park and Elephant & Castle. "Note: For the former Stanmore branch of the Bakerloo line, see the Jubilee line article." Between 1917 and 1982, Bakerloo line trains continued along the DC line past Harrow & Wealdstone to Watford Junction. These stations continue
Watford tube station Watford tube station Watford tube station is the terminus of a Metropolitan line branch line in the north-western part of London Underground in Zone 7. The station opened in 1925. The station is in the Cassiobury area, on Cassiobury Park Avenue at the junction with Metropolitan Station Approach, close to two of the entrances to Cassiobury Park. It is approximately from the town centre, which is more immediately served by and stations. It is known locally as "Watford Met" to distinguish it from the other Watford stations. The station building was designed by the Metropolitan Railway's architect Charles Walter Clark