NO CROSSING LINES
Where: On any road with two-way traffic.
Purpose: To inform you that you may not cross this line.
Action: You may under no circumstances drive on the right hand side or cross these lines with any part of your vehicle, except to drive around a stationary vehicle or stationary obstruction in the road.
Where: On carriageways and at intersections where traffic moves in the same direction.
Purpose: To prohibit you from crossing the line.
Action: Drive in such a way that no part of your vehicle crosses the line.