Technology ConnectionsI don't know who needs to hear this (that's a lie: ~80% of drivers) but when you're in a turn lane or an exit only lane, you should still signal to confirm to those around you that you are aware of the lane you're in and where it's about to go.
A point of clarification:
If a new lane appears which you have to enter in order to exit, once there I consider that "on the ramp" - your choice to move into it is clear enough.
I'm mainly talking about lanes which become exit-only up ahead.
To describe this more generally, if there's a situation where an inattentive driver could find themselves on a path they don't mean to take, then if you, the attentive driver, intend to take that path - signal to confirm this.
Don't make people guess.
Andrew Heninger