What is "right of way" (in the sense of being allowed to go first in traffic) in Latin? Is there by any chance an attested expression for essentially the same thing? I would like a phrase suitable for modern traffic.
Forming verbal expressions like "is allowed to go first" is simpler, but that is not what I'm after. The best thing I could come up with is libertas praeeundi, but I would not be surprised if there is a more natural way to put it. Perhaps ius vehendi?