A major reason for traffic calming is to make it easier for pedestrians to cross safely, but there are other results from this strategy. It also reduce traffic, promoting the use of altenative routes. It also reduces the noise and local air pollution which are side effects of the traffic.
Displaced traffic is not totally pushed onto other routes, as some travellers begin to walk or use other modes such as public transit and bicycles to get where they are going.
Traffic calming can include the following specific techniques: