Stopping+Distances

//__**STOPPING DISTANCE**__// The maximum speed a car can reach takes in account that it may happen an unexpected event. If someone is in the city driving and a child crosses the street, the speed must be low enough as to stop. The law sets 40km/h as the top speed allowed, because 15 or 20 metres are needed. In avenues, maximum velocity is 60km/h, and the stop disttance is between 30 or 40 meters, in ordinary both climate and street condition. To set maximum speed, there has to be taken in account the distance between vehicles and street condition. It’s not the same to stop a bus full of passengers or a full lorry, that needs more metres to stop.  Whether they are old, young, tired, careless or effected by alcohol and or drugs The braking distance will also depend on:
 * How good the car brakes are.
 * How well the tyres grip the road, which in turn can depend on the weather.
 * Road surface conditions.
 * The weight of the car and it's contents.´