The outer circle

Infomation
The outer circle was a service in London that operated from 1872 to 1908 by the London & North Western railway. The route was from the District railway station at Mansion house to Earls court, then via the west London railway to Willesden Junction and then via the North London railway to Broad street. It is not a complete circuit but was 1 of the several  circle routes around London. It operated  once every 30 minutes. In 1908 the service was cut back to end at Earls court instead of Mansion house.

origins
On Febuary 1872 the London & North Western railway (L&NWR) began a railway service between Broad street and the District railway station via the North London railway, Willesden Junction, the West London railway and Earld court, replacing a route that had run along most of the route but ended at London Victoria. When the District electrified in 1905 it built electric locomotives to haul the carriges between Earls court and Mansion house. The service stop running past Earls court from the 1st of January 1909. The L&NWR electrified the West London railway and an electric service between Willesden Junction  and Earls court started on the 1st of May 1914. This was initally with electric multiple units provied by the District railway until 24th of november 1914 when L&NWR electric units took over. service ended on the 19th of october 1940.

Nowadays
The line is now run by the District line between Mansion house and Kensington (Olympia) and the London Overground between Kensington (Olympia) and Haggerston.