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Sutton Loop
Sutton platform 2 looking towards West junction with the St Helier Line
Overview
Status	Operational
Owner	Network Rail
Locale	Greater London South of England
Termini	Streatham Sutton
Stations	14
Service
Type	Heavy rail
System	National Rail
Services	2
Operator(s)	First Capital Connect Southern
Depot(s)	Selhurst Bedford Cauldwell
Rolling stock	Class 319 Class 455
Technical
Track gauge	Standard gauge
Operating speed	Maximum 60 mph

Sutton Loop Line
mi+ch Portsmouth line to South Bermondsey Junction Streatham Brighton Main Line Victoria–Brighton 0+00 Streatham South Junction Portsmouth line via Mitcham Junction 0+76 Tooting Tooting Junction Tooting, Merton and Wimbledon Railway to Merton Park 2+18 Haydons Road South West Main Line to Waterloo 3+07 7+21 Wimbledon Wimbledon–West Croydon line to West Croydon 7+51 Wimbledon West Junction South West Main Line to Weymouth 8+13 Wimbledon Chase 8+61 South Merton 9+32 Morden South 9+69 St Helier 10+67 Sutton Common 11+47 West Sutton Portsmouth line via Mitcham Junction 12+50 Portsmouth line to Horsham │Sutton Epsom Downs line to Epsom Downs │ London & Croydon Rly to London Bridge

The Sutton Loop does not formally exist but is the colloquial name for the circular route formed where the St Helier line diverges from the Portsmouth Line at Streatham South junction and rejoins it near Sutton station. Trains leave southwards from Streatham to enter the loop and then return going northwards. The short section between West Sutton station and West junction is known as the "Wall of Death" possibly due to the very steep concrete walls to the cutting on both sides and the sharpness of the curve which resemble the motorcycle ride at a funfair.

Stations

In a clockwise direction round the loop, the stations are:

• Mitcham Eastfields
• Mitcham Junction
• Hackbridge
• Carshalton
• Sutton
• West Sutton
• Sutton Common
• St Helier
• Morden South
• South Merton
• Wimbledon Chase
• Wimbledon
• Haydons Road
• Tooting

Infrastructure

Traction current is supplied at 750 volts DC via the Third Rail. The supply for this is overseen by Selhurst Electrical Control Room. Signalling is Track Circuit Block with multple aspect colour light signals throughout, controlled by Victoria Eastern Power Signal Box. The line is double track throughout, except where a short bi-directionally signalled single line section passes through Wimbledon station platform 9. This is due to the Croydon Tramlink terminus occupying one half of platform 10 (the original Down St Helier Line). The other half of the platform forms a 4-car bay for the St Helier Line.

History

see Wimbledon and Sutton Railway

Services

First Capital Connect

FCC runs services from Luton and St Albans round the loop. Clockwise services are described as "Suton via Mitcham Junction" and ant-clockwise as "Sutton via Wimbledon".

References

Category:Railway lines in London Category:Railway loop lines