Reviewed 2026-11-03 · F81
Signs and road markings →Advance warning of lane displacement

Purpose and student action
Identify the road regime, destination or service. A change of road regime can change the applicable driving rules.
Read · decide · act
- Decide whether the sign identifies a road regime, destination, facility or local name.
- If it starts or ends a road regime, apply that regime’s rules, not just the picture.
- Plan lane changes early; never cross a prohibited line to recover a missed exit.
Source documents
Advance warning of lane displacement
Coverage refers to this dated source catalogue, not every local sign or all Belgian legislation. Variants and reference examples are counted separately.
Regulatory source ↗Published legal wording (French/Dutch)
F81. Signal de préavis annonçant un évitement.
F81. Voorwegwijzer die een uitwijking aankondigt.