Guidelines on when LG can be used
- On Freeway, Major Highway, Minor Higway. On other types of road they can be used in exceptional cases.
- On regular junctions where there are at least 2 lanes for 1 of the given directions.
- On regular junctions where incoming lanes have a mandatory direction other than straight ahead.
- on complex junction. Example there are 2 segments on the right (first in an angel of <90° an the other on an angel of > 90°
