As i drive along I note that practically ALL the armco in Beds is started with a blunt, flat end.
In many cases it is new, so the old installations have been altered.
I also note that the armco is not going to stop or slow down a laden goods vehicle.
And another noted fact....the armco along a large distance of central area of the A421 dual/c is tensioned wire.
I suppose you consider that the central armco is good for stopping vehicles crossing to collide with vehicles on the opposite carriageway. It doesn't do too well for trucks.
But since very few truck drivers pay much attention to the speed laws anyway....unless they are mechanically enforced....I suppose a multi-vehicle-multi-death accident when they cross the barrier is irrelevant.
Picture. Crash-barrier endpoint. crash barrier protecting signage.
