1. A line drawn on either full or half width across the road marking a stopping point for vehicles.
  2. A line along the road, marking the point in which a vehicle must stop, in junctions with traffic lights only.
  3. A line along the road, marking the point in which a vehicle must stop, before a railway crossing
  4. A junction-line along the road, either full or partial, marking the point in which a vehicle must stop near a pavement