R20 - woven-planet/opensafety-mbse GitHub Wiki
R20 / 1:M
Road Segment traffic is separated by one or many Lane Division
Lane Division separates traffic on one Road Segment
Every Road Segment is divided up into Lanes indicated by Lane Divisions. In the case of an Undivided Road Segment, there will be at least an inside and outside division corresponding, roughly at least, to the left and right Road Edges even if they are not explicitly marked.
Formalization
Lane Division.Road segment -> Road Segment.ID