According to https://en.wikipedia.org/wiki/Kilometres_per_hour https://en.wikipedia.org/wiki/Kilometres_per_hour, > Internationally, km/h is the most commonly

According to https://en.wikipedia.org/wiki/Kilometres_per_hour https://en.wikipedia.org/wiki/Kilometres_per_hour, > Internationally, km/h is the most commonly used unit of speed on traffic signs and speedometers kph isn't incorrect, but it's not as commonly used.