We are delivering a major package of upgrades to modernise 1980s track and signalling on the South London lines into London Victoria.
The upgrades will improve reliability on the network, helping even more passenger and freight trains arrive at their destinations on time.

Project timeline
The phase of signalling and track upgrades, taking place between London Victoria, Clapham Junction and Balham is already delivering more reliable journeys. Upgrades between Tulse Hill, Peckham Rye and Crystal Palace, and between Herne Hill, Nunhead, and the Battersea are now fully underway and will continue until 2025.
Jump to
London Victoria to Clapham and Balham, 2020 to 2022
Victoria resignalling programme – phase 3 overview pdf
Work on this phase of the project is now complete, and involved:
- Replacement of all signalling equipment in the Clapham and Balham areas, and lines into London Victoria.
- Relocation of signalling control for the area to the state-of-the-art Three Bridges Rail Operating Centre (TBROC).
- Upgrade of track at key junctions surrounding Clapham and Balham with new, more reliable equipment.
- A new and improved track layout installed between Clapham and Victoria stations, improving line speeds and reliability.
Benefits
Improved reliability and performance of trains in South London and the wider region
- The new, modern equipment will mean fewer faults and fewer delays for passengers travelling on lines into and out of London Victoria.
- Relocating the signallers for the area to the state-of-the-art Three Bridges Rail Operating Centre will help them work as a team get trains back on time when an incident occurs.
- The new equipment will be easier to maintain, fix and find faults when something does go wrong.
- New turnback facilities at Clapham and at Balham, will help signallers keep more trains moving during planned engineering work and, when disruption on the railway.
- Capacity uplift for the future
- The improvements will allow an uplift in train services between Clapham Junction and London Victoria in the future
Tulse Hill, Peckham Rye and Crystal Palace resignalling

Victoria resignalling phase 4 map download (PDF, 313 KB)
The phase of work between Tulse Hill, Peckham Rye and Crystal Palace involves:
- Replacement of all signalling equipment in the Tulse Hill, Peckham Rye and Crystal Palace areas
- Relocation of signalling control for the area to the state-of-the-art Three Bridges Rail Operating Centre (TBROC)
- Upgrade of track at key rail junctions surrounding with new, more reliable equipment.
Benefits
- Improved reliability and performance of trains in South London and the wider region
- The new, modern equipment will mean fewer faults and fewer delays for passengers travelling on lines in South London
- Relocating the signallers for the area to the state-of-the-art Three Bridges Rail Operating Centre will help them work as a team get trains back on time when an incident occurs
- The new equipment installed will be easier to maintain, fix and find faults when something does go wrong.
The project in numbers

£60m investment in signalling, track, civils, power systems and telecoms

65 new, modern LED signals

2 new, easier to maintain signal gantries

2 new power systems

Re-control to the Three Bridges Rail Operating Centre – state-of-the-art signalling centre allows signallers to get trains back on time more quickly.
Herne Hill, Brixton, Nunhead, and the Battersea area
Upgrades between Herne Hill, Brixton, Nunhead, and the Battersea area are underway and will continue until 2025.

Overview
The phase of work involves:
- Replacement of all signalling equipment
- Relocation of signalling control for the Herne Hill & Nunhead areas to the state-of-the-art Three Bridges Rail Operating Centre (TBROC)
- Replacing track and equipment at key rail junctions in South London
Benefits
- New, modern equipment is being installed which means that railway performance improves and a better service in the area for passengers.
- Relocating the signallers for the area to the state-of-the-art Three Bridges Rail Operating Centre will help them work as a team get trains back on time when an incident occurs.
- The new equipment installed will be easier to maintain, fix and find faults when something does go wrong.
- It improves services into key London stations such as London Victoria, London Blackfriars and London Waterloo
The Project in numbers

£122m investment

57 new, modern LED signals

13 complex signal structures

160km of cable will be installed

2 new power upgrades (Principal Supply Points)

46 new Location cases which will connect to the signalling equipment

11 power equipment housing (REB).
How will journeys be affected by the work?
Tulse Hill, Peckham Rye and Crystal Palace – Saturday 10 February to Sunday 18 February 2024 (half-term week).
No trains will run on parts of the National Rail and London Overground networks for up to nine days from Saturday 10 February to Sunday 18 February 2024 (half-term week).
From Saturday 10 to Friday 16 February, Thameslink passengers travelling between Herne Hill, Wimbledon and Sutton are being advised to use London Buses or alternative National Rail, London Trams or London Underground routes.
Southern passengers travelling between London Bridge and Streatham or Streatham Hill will be able to use alternative routes on London Buses and a limited replacement bus service will also run. Passengers on the West Norwood and Crystal Palace to Norwood Junction or Beckenham Hill sections will be able to use alternative London Buses, London Trams and London Overground routes.
London Overground services between Canada Water and Clapham Junction are also suspended from Saturday 10 to Sunday 18 February to allow the improvement works to take place. A rail replacement bus service will operate to help passengers to complete their journeys during this closure.
The following stations will have no Southern trains for seven days between Saturday 10 to Friday 16 February 2024:
- South Bermondsey
- Queens Road Peckham
- Peckham Rye
- East Dulwich
- North Dulwich
- Tulse Hill
- West Norwood
- Gipsy Hill
- Crystal Palace
- Sydenham
- Forest Hill
- Honor Oak Park
- Brockley
- New Cross Gate
- Birkbeck
- Beckenham Junction
The following stations will have no Thameslink trains for seven days between Saturday 10 to Friday 16 February:
- Tulse Hill
- Streatham
- Mitcham Eastfields
- Mitcham Junction
- Hackbridge
- Carshalton
- Sutton
- West Sutton
- Sutton Common
- St Helier
- Morden South
- South Merton
- Wimbledon Chase
- Wimbledon
- Haydens Road
- Tooting
The following stations will have no London Overground train service for nine days between Saturday 10 and Sunday 18 February:
- Queens Road Peckham
- Peckham Rye
- Denmark Hill
- Clapham High Street
- Wandsworth Road
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Get in touch
For more information call our National Helpline on 03457 11 41 41, visit our contact us page, or contact us on Twitter @NetworkRailSE.