Westinghouse Rail Systems

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Westinghouse Rail Systems Ltd

Formerly	Westinghouse Signals
Company type	Subsidiary
Industry	Transport
Founded	1900
Defunct	2013 (2013)
Fate	Acquired by Siemens
Successor	Siemens Mobility
Headquarters	Chippenham, England
Products	Railway signalling
Owner	Invensys

Westinghouse Rail Systems Ltd (formerly Westinghouse Signals Ltd) was a British supplier of railway signalling and control equipment to the rail industry worldwide. Its head office was in Chippenham, Wiltshire, where it manufactured a variety of mechanical and electrical/electronic railway signalling equipment. It had six other UK offices in Croydon, York, Birmingham, Crawley, Swanley and Glasgow. It also had a number of overseas offices, particularly in the Far East, including Melbourne.

Westinghouse was the largest signalling design and control engineering company within the UK. Its largest contract was awarded in 2004: a ten-year £850m re-signalling of eight London Underground lines for the Metronet Public-Private Partnership.

The company was owned by Invensys plc before being sold to Siemens in 2013. It is now part of Siemens Mobility, the Westinghouse name having been dropped.