**Driving on motorways** is safer mainly because **there are separate carriageways for each direction of traffic**. This means that vehicles traveling in opposite directions are physically separated, which significantly reduces the risk of head-on collisions, which are the most dangerous.

- On motorways, each direction of traffic has its own carriageway, minimizing the possibility of encountering oncoming vehicles. This physical separation is a crucial safety measure not found on other types of roads, such as conventional roads.

- Additionally, motorways are designed to allow for smoother and safer driving, with wide lanes and no level intersections, which also helps reduce the risk of accidents.

For these reasons, the separation of carriageways on motorways is a key factor that makes them safer compared to other types of roads.