![](https://www.trtlighting.co.uk/wp-content/uploads/2023/10/M25-M20-Tunnel.png)
M25/M20 Tunnel
The first road tunnel on the UK motorway network to incorporate LED interior and Boost lighting has adopted the TRT Verso lighting system for maximum visual comfort, energy savings and reduced maintenance. A fully automatic lighting control system seamlessly operates the luminaires day and night.
![https://www.trtlighting.co.uk/wp-content/uploads/2023/08/cta-bg.jpg](https://www.trtlighting.co.uk/wp-content/uploads/2023/08/cta-bg.jpg)
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