fungus wrote:... Similarly when joining a motorway, is a signal really necessary? It's obvious that your joining the carriageway, your not going to crash through the Armco barrier, are you?
I would always signal to change lane, except possibly moving back from lane two into lane one.
Is there an inconsistency here? Joining lane 1 of a motorway from the on-slip can be considered a change of lane - for which you say you wouldn't necessarily signal. However, you then say that you... "would always signal to change lane".
I think it's sometimes beneficial for drivers in lane 1 of a motorway who are approaching an on-slip, to see a right-hand, lane changing signal from a joining vehicle up ahead, if for no other reason than to wake them out of their stupor and make them aware that there is a vehicle joining the motorway which will shortly be in "their" lane.