Miles per hour be used to express the speed of delivery of a ball in sporting events such as cricket, tennis and baseball. Miles per hour Miles per hour (abbreviated mph, MPH or mi/h) is an imperial and United States customary unit of speed expressing the number of statute miles covered in one hour. It is used in the United States, United Kingdom and many Commonwealth nations, particularly in the Caribbean region. Speed limits and road traffic speeds are given in miles per hour in the following jurisdictions (elsewhere kilometers per hour are used): Road traffic speeds in other countries are indicated in
Speed limit for "furious driving" offences. One conviction in 1905 cited furiously driving when passing a tram traveling at half that speed. In the 1960s, in continental Europe, some speed limit were established based on the V85 speed, (so that 85% of drivers respect this speed). Later Sweden defined the "Vision Zero" program. Most jurisdictions use the metric speed unit of kilometers per hour for speed limits, while some, primarily the United States and the United Kingdom, use speed limits given in miles per hour. There is an ongoing discussion as to whether they should follow the lead of other countries and