?

[webofevil]

I don’t drive and I can’t find this symbol anywhere online, so perhaps someone here can reassure me that use of the Rotherhithe tunnel is not restricted to vehicles that are shorter than 14 feet, narrower than 7 feet and on fire.

Comments

[j4.livejournal.com]

The boring answer: a quick scan of "Signs giving orders" in the Highway Code says it means "No Terrorists" "No vehicles carrying explosives".