“It has been a pleasure working with you. We are all very happy with the work you have done in supporting the 4LM programme. Please extend my thanks to your team.”
— Chris Lyseight, Project Manager, Transport for London
Transport for London - HSCC Control Room, Four Lines Modernisation Programme
Transport for London - Hammersmith Signal Control Centre, London
Project overview
Transport for London's Four Lines Modernisation programme modernised the Circle, District, Hammersmith & City and Metropolitan lines with new signalling, trains and control infrastructure. Harp Visual was engaged to deliver the HSCC control room AV infrastructure for operational visibility across the programme.
The environment needed to present signalling, CCTV and operational systems across multiple Underground lines in real time. Operators required high-resolution information access with no tolerance for latency or stale data.
Project details
How the environment, system architecture and operational outcome came together.
Environment
A mission-critical transport control room supporting multiple Underground lines from the Hammersmith Signal Control Centre.
System architecture
A distributed AV architecture collects, processes and presents signalling, CCTV and operational sources across a central video wall and operator views.
Outcome
Operators gained high-resolution, multi-source visibility with sub-second performance and continuity from the same Harp Visual project team throughout delivery.
Technology involved
Core AV infrastructure referenced in this case study.
- 4K multi-source display system
- Harp MERLIN Processors
- Distributed source encoding
- 24/7 operational control room
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