Single track lines

Officers are drafting a response.

Transport for London has the following single track line running sections on services it operates:

London Underground:
There are three single track sections:
•    The Chesham single. This runs on the Metropolitan line-maintained track from Chalfont and Latimer to Chesham. It is 6.5km long. 
•    Kensington Olympia Platform 1 to Earls Court Junction it is only a short section of track at 1350m and mainly used at weekends or if a service disruption requires it.
•    Mill Hill East Branch on the Northern line which is another short section approx. 1800m.

Docklands Light Railway:
The sections between Bow Church and Pudding Mill Lane, and between Pudding Mill Lane and Stratford are single track. Bow Church, Pudding Mill Lane and Stratford themselves are double track, but the track between these stations is single track.

London Overground:
The section between Upminster and Romford is single track. 

London Trams:
The following sections are single track: 
•    New Addington to King Henry’s Drive
•    Elmers End to Arena Junction
•    Birkbeck to Harrington Road
•    Birkbeck to Avenue Road
•    Avenue Road to Beckenham Road
•    Beckenham Road to Beckenham Junction
•    Town Centre Loop
•    Reeves Corner to Wandle Park
•    Beddington Lane to Mitcham Junction
•    Mitcham Junction to Mitcham
•    Phipps Bridge to Morden Road
•    Dundonald Road to Wimbledon

Elizabeth line: 
A single track section runs between Heathrow Terminals 1-3 to Heathrow Terminal 4.