Noun
traffic calming (uncountable)
The deliberate slowing of traffic in residential areas by the installation of obstacles to progress
Traffic calming is part of the push-pull theory of transit, where a new transit line is built to both “pull” new customers to transit and, because of new congestion caused by transit, “push” people onto transit. Source: Internet
Traffic calming measures make sense, more policing, and land use planning that includes "complete streets”. Source: Internet