Gatwick Airport Re-Signalling

Softech produced ES5 Detailed Designs for Gatwick Airport Re-signalling to replace legacy interlocking with Alstom Smart Lock technology.



Project Completed

January 2014

The Challenge For Softech

As part of improving the signalling at Gatwick Airport station, Alstom Smart Lock signalling was implemented and to reduce the congestion a new platform 7 was constructed. Softech was invited by Alstom to undertake correlation surveys and to carry out detailed design under a very tight schedule. We deployed our design teams within few days and undertook all correlation and detailed design to ensure Christmas 2013 commissioning.  

ES5 Designs

Reduction in congestion

Cabinet Design


Scheme Plan

Site Surveys


Softech’s Solutions

Softech successfully navigated the complexities of the project by effectively coordinating with various stakeholders, including other disciplines, Alstom, Network Rail, and Train Operators, ensuring a successful outcome.

criss crossed rail alignment design engineered by a railway pway design team

The Result

The project unlocked a multitude of benefits, foremost being the creation of a comprehensive passenger transport interchange that seamlessly connects the airport and station, enhancing overall travel experience and reducing signalling failures. This included a new Platform 7 ultimately reducing queues at gates. Softech provided installation, testing and commissioning support and provided as built drawings. 



How would you rate the technical knowledge and skills of Softech Rail’s staff?


How satisfied are you with Softech Rail's ability to meet deadlines?


"The technical knowledge demonstrated by the Softech design team was commensurate with the level of designers supplied... maintained their focus on delivery of the required design to a very high standard...

Chris Morgan

The design details produced by the Softech team were to a high standard Both the technical ability and the professionalism of this team was a credit to Softech and it would be a pleasure to work with such diligent and capable engineers again in the future.”

Design Delivery Manager Alstom

Our Work: Case Studies

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Jan 26, 2024
Eastbourne Siding
Softech conducted a condition assessment to confirm that the existing signalling system is capable of performing the required train movements.
Dec 5, 2023
This study was completed to assess how best to path down direction freight trains between the Midland Main Line and the proposed SRFI at Radlett.
Jan 12, 2016
Richmond Platform 3
Enhanced rail signalling for Richmond Platform 3 under LOCIP ensures efficient 5-car operations. Softech's ensures optimal design solutions.
Jul 16, 2015

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