Q #25 - What's the purpose of road humps, chicanes and narrowings?
Traffic-calming measures help to keep vehicle speeds low in congested areas where there are pedestrians and children. A pedestrian is much more likely to survive a collision with a vehicle travelling at 20 mph than they are with a vehicle travelling at 40 mph.
| To separate lanes of traffic | |
| To increase traffic speed | |
| To allow pedestrians to cross | |
| To reduce traffic speed |
