Petition updateInstall special marker lights in the Severn Tunnel at the exact point below the M4 bridge!

Here is a map of the Severn Tunnel - highlighted in blue!

Ro---- Ash----- (Mr Easter!)Kingston-upon-Thames, United Kingdom
5 Mar 2026

Here is a map of the Severn Tunnel, you can see the Prince of Wales bridge crosses directly over it. 

When travelling through the tunnel, I want to know the exact moment I pass under the M4 motorway bridge, such an iconic structure within another iconic structure!!