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Case Studies

RT Infrastructure Solutions staff have been involved in a number of major Type A re-signalling projects supplying skilled IRSE signalling technicians to many of the traditional 1st tier railway signalling companies. Customers include companies such as Alstom, Siemens, Carillion Rail, Network Rail, Atkins Rail, Amey Rail, BAM Nuttall, Giffen Group, Balfour Beatty, Dyer & Butler, Volker Fitzpatrick, Chiltern Railways, DB Schenker, South Eastern Railways,Buckingham Group, Kier Rail, Colas Rail, Bombardier, Keltbray Rail, Babcock Rail and TfL. 

RT Infrastructure also support projects on the LUL infrastructure and this is a growing area of its business.

Recent and current projects include the following schemes:

London Underground 4LM Re-Signalling Scheme
The 4LM Re-signalling Scheme is a long term signalling scheme aimed at increasing capacity on the Circle, District, Hammersmith and Metropolitan lines. The four lines make up 40% of the tube network with around 1 million journeys each day, with the new signalling works allowing the operation of 32 trains per hour with a 33% increase in peak hour capacity. The project is expected to initially run for 6 -18 months with further options thereafter. Unique features of the project include five complex rail junctions, 113 stations and 191 trains, interfacing the system with 4 depots, six sidings (two of them major), and the integration and presentation of existing CCTV and PA systems with a central control centre.
Client: Volker Rail


Bristol Resignalling Scheme
The Bristol Re-signalling Project was awarded to Alstom to deliver the design, supply, installation, testing and commissioning of the renewed signalling and the associated power system. As well as a relock and re-control of the area, the project’s main driver is to provide an Alternating Current (AC immune) and electrification gauge compliant signalling system ahead of running the first electric passenger train to Bristol.
Client: Alstom


Swindon Resignalling Scheme
The Swindon Re-signalling Project was awarded to SSL to deliver the design, supply, installation, testing and commissioning of the renewed signalling and the associated power system. The project was driven by the requirement, in addition to the renewal of life expired equipment, to prepare the line for electrification and the overlay of ERTMS, the signalling system which utilises an “in cab” driver advisory system.
Client: Signalling Solutions


Third Part Immunisation Re-signalling Scheme (TPI)
The TPI Re-signalling project was principally developed to ensure that LUL’s new ‘S’ type trains would be able to run on current LUL infrastructure by immunizing track circuits that operated at less than 100HZ. In order for this to happen the TPI project had to immunise parts of the LUL District Line using single rail TI21 EBI track 200 circuits around the Upney, Upminster, Ealing Broadway, Richmond and Gunnersbury Areas.
Client: Atkins Rail


East Sussex Re-Signalling Scheme Works
The scope of the East Sussex scheme included various renewals and upgrades to the existing signalling infrastructure, but in essence the main deliverable was to close six signal boxes and to re-control them from Network Rail’s new signalling control centre at Three Bridges.
Client: Atkins Rail


Signalling 650v Power Works
RT Infrastructure Solutions completed a 3 stage signalling commissioning, along with earlier pre-requisite installation works, bringing a successful conclusion to their works in Scotland for 2013. The scheme formed part of Network Rail’s major upgrade of 650v feeder works in the Scotland area.
Client: Giffen Group

Farnham Re-Signalling Scheme
The Farnham Re-signalling scheme fell under the Sussex & Wessex signalling framework contract awarded to Atkins by Network Rail in January 2012. The two year contract was put in place to modernize and maintain safety-critical railway signalling systems, whilst also delivering the efficiency savings required by the infrastructure owner, Network Rail through reductions in unit costs.
Client: Atkins Rail

Finsbury Park Route Enhancement Scheme
In September 2012 RT Infrastructure Solutions Ltd was asked to provide a skilled onsite signalling project team capable of supporting Network Rail’s major planned improvement works between Alexander Palace and Finsbury Park.
Client: Signalling Solutions

S&T Decommissioning of North Pole Depot
All of RT Infrastructure’s works at North Pole Depot was based around the government’s decision to proceed with the much anticipated Intercity Express Programme (IEP).
Client: VolkerFitzpatrick

Signalling GRIP 6-8 works Felixstowe Port
Felixstowe is Britain’s largest container port. It handles almost 50% of the containers moving through the UK’s major ports. There are two main container terminals at Felixstowe offering direct ship to shore container handling, the Trinity container terminal, at the northern end of the port and the Landguard terminal, at the southern end.
Client: VolkerFitzpatrick

Ely to Norwich Re-Signalling
It has long been considered that the engineering approaches applied to high density, high speed lines do not necessarily provide the best engineering solution to the problem of signalling low density, rural lines.
Client: Signalling Solutions

S&T Support for RT24 Track Renewals Contract
The delivery of Network Rail’s £3.5 billion track renewals programme comprises of four major rail companies, Balfour Beatty Rail, Babcock, Amey-Colas and Amey. Under this arrangement the railway network is then subsequently divided into specific geographical areas covering all of the UK’s main and branch lines.
Client: Balfour Beatty Rail