Miles per hour

Template:Short description Template:Use dmy dates Template:About Template:Infobox unit Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom, the United States, and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.

UsageEdit

File:World Map of Speed Limit Units on Traffic Signs.svg

Speed limit units on traffic signs around the world: Template:Legend Template:Legend Template:Legend Template:Legend

File:UK 50 mph speed limit sign.jpg

50 mph speed limit sign in the United Kingdom

File:2014-08-19 11 59 11 Speed limit 65 miles per hour sign along northbound Nevada State Route 225 (Mountain City Highway) about 10.9 miles north of Nevada State Route 535 (Idaho Street) in Elko County, Nevada.JPG

65 mph speed limit sign in the United States

Road trafficEdit

Speed limits and road traffic speeds are given in miles per hour in the following jurisdictions:

Antigua and Barbuda
Bahamas<ref>{{#invoke:citation/CS1|citation

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Belize<ref>{{#invoke:citation/CS1|citation

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Dominica<ref>{{#invoke:citation/CS1|citation

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Grenada<ref>{{#invoke:citation/CS1|citation

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Liberia (occasionally)Template:Refn
Marshall Islands
Micronesia
Palau
Saint Kitts and Nevis<ref>{{#invoke:citation/CS1|citation

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Saint Lucia<ref>{{#invoke:citation/CS1|citation

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Saint Vincent and the Grenadines<ref>{{#invoke:citation/CS1|citation

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United Kingdom<ref>Speed limits Template:Webarchive (UK) Department for Transport. Retrieved 4 August 2015</ref>
The following British Overseas Territories:
- Anguilla<ref>{{#invoke:citation/CS1|citation

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- British Virgin Islands<ref>{{#invoke:citation/CS1|citation

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- British Indian Ocean Territory
- Cayman Islands<ref>{{#invoke:citation/CS1|citation

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- Falkland Islands<ref>{{#invoke:citation/CS1|citation

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- Montserrat
- Saint Helena, Ascension and Tristan da Cunha<ref>{{#invoke:citation/CS1|citation

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- Turks and Caicos Islands<ref>{{#invoke:citation/CS1|citation

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The Crown dependencies:
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The following United States overseas dependencies:
- American Samoa<ref>{{#invoke:citation/CS1|citation

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- Guam<ref>{{#invoke:citation/CS1|citation

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- Northern Mariana Islands<ref>[1] Template:Webarchive</ref>
- Puerto Rico
- United States Virgin Islands<ref>{{#invoke:citation/CS1|citation

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Rail networksEdit

Miles per hour is the unit used on the US, Canadian and Irish rail systems.<ref name="Classlist">{{#invoke:citation/CS1|citation |CitationClass=web }} Archived 25 August 2012.</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Miles per hour is also used on British rail systems, excluding trams, some light metro systems, the Channel Tunnel and High Speed 1.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Nautical and aeronautical usageEdit

Nautical and aeronautical applications favour the knot as a common unit of speed. (One knot is one nautical mile per hour, with a nautical mile being exactly 1,852 metres or about 6,076 feet.)