An accident involving two or more road vehicles. The types of accidents involving two or more road vehicles are:
- Rear-end collision: collision with another vehicle using the same lane of a carriageway and moving in the same direction, slowing or temporarily halted (excluded are collisions with parked vehicles);
- Head-on collision: collision with another vehicle using the same lane of a carriageway and moving in the opposite direction, slowing or temporarily halted (excluded are collisions with parked vehicles);
- Collision due to crossing or turning: collision with another vehicle moving in a lateral direction due to crossing, leaving or entering a road (excluded are collisions with vehicles halted and waiting to turn which should be classified under (Rear-end collision) or (Head-on collision));
- Other collisions: collision occurring when driving side by side, overtaking or changing lanes; or collision with a vehicle parked or stopped at the edge of a carriageway, on shoulders, marked parking spaces, footpaths or parking sites, etc.