Data Transmission Network (DTN) HS2
Siemens Mobility is procuring a Data Transmission Network for HS2 that will carry safety-critical and non-safety signalling traffic, with geo-redundancy, security, and precision timing. The network must connect HS2 systems to Network Rail's conventional rail infrastructure.
- Closed7 September 2026, 17:00
- Published25 August 2026
- Value£10m
- BuyerSiemens Mobility Ltd
- WhereHS2 route
- CategoryIT, software & telecoms
- RegionNot specified
You'll want to look if you design and deploy mission-critical railway telecommunications networks, can deliver geo-redundant infrastructure with DMZ security architecture, and have experience integrating precision timing and safety-critical systems at scale.
Might not suit a small firm
- the contract itself is a large one