@amcooper@toot.cat in German there is a very bureaucratic expression (as there tends to be): Straßenbegleitgrün or Verkehrsbegleitgrün ( https://de.wikipedia.org/wiki/Verkehrsbegleitgrün ) Translated directly it would be something like street accompaniment green or traffic accompaniment green Though this is not used very often in day to day speech. Don‘t know of any more common German word for it…