nostr:npub1ke35e4f7spe9zfzyecyt5asmcr42k5q9xvslxc4z0r789qcvesrqhtxcva

Technically the signalling right, then left is.

Practically, it should only be used on a big roundabout - signal out only for normal ones.

Philosophically, I don't know, because that will probably involve a tram and a lever, with a moral decision.

And if you can work out the string theory and roundabouts, well you've probably achieved singularity and I wouldn't trust you.