message: add road_ids
diff: @@ -158,7 +158,7 @@ for cnt, (start_p, end_p) in enumerate(comb_all):
  if rc:
  roads = rc.roads
  road_ids = list(roads.keys())
  - print(road_ids)
  + print(road_ids, rc.road_ids)
  viewer.drawWorld(world)
  viewer.drawRoadCorridor(rc, "blue")
  