- Supervision is the key. Don’t let your child near the road unsupervised until you are sure they can stop safely and cross roads safely.
Road Rule 126. Keeping a safe distance behind vehicles
A driver must drive a sufficient distance behind a vehicle
A cyclist who is concentrating will have a Brake Reaction Time of about 2½ seconds to apply his/her brake levers in an emergency situation. By using the Bicycle Brake Stop Calculator,
if the cyclist is travelling at 40 km p/h which equates to 11.11 metres p/s,
the Bicycle Brake Response Distance would be 27.78m.
(That means the cyclist has travelled nearly 28 metres before the brakes have been applied PD)
On a two wheeled vehicle, you cannot jam the brakes on for a 'full' in an emergency stop.
You have to achieve weight transfer first. This means an initial gentle application of the brake before a big squeeze. If you jam them on instantaneously without moving the body weigh backwards, ideally over the seat, the front end can go out from under you, particularly if you have powerful brakes like hydros.
Also on a bike, when braking heavily you'll find that you subconsciously lift off the brakes momentarily as you cross bumps etc on the road surface (eg cracks, manhole covers etc). This is to stop the wheel locking as it is unweighted over the bumps. In a car this isn't necessary.