Editing Metrication (section)

===Road and rail transportation===
*Road signs for distance and speed limit are still displayed in yards, miles and [[miles per hour]] in the United States, United Kingdom, and multiple Caribbean nations.
*[[Tyre pressure]] is commonly measured in [[Pound-force per square inch|pounds per square inch]] in multiple countries, including Argentina, Australia, Brazil, Canada, Chile, India, Ireland, Mexico, Peru, the United Kingdom, and the United States.
*Car and bicycle rim diameters are still usually set as whole inch measurements, and tyre widths are measured in millimetres.
*Engine power is usually measured in [[horsepower]] in most former [[Soviet Union|USSR]] countries and German-speaking countries (this is [[Horsepower#PS|metric horsepower]] rather than mechanical horsepower), although in the EU from 2010 the horsepower is permitted only as a supplementary unit.<ref>{{cite web|url=http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2009:114:0010:0013:EN:PDF|format=PDF|title=Directive 2009/3/EC of the European Parliament and of the Council of 11 March 2009|work=Official Journal of the European Union|access-date=5 February 2015|archive-date=4 September 2015|archive-url=https://web.archive.org/web/20150904003318/http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2009:114:0010:0013:EN:PDF|url-status=live}}</ref> 
*Imperial [[gallon]]s are still used for the sale of fuel in four British Overseas Territories - Anguilla, the British Virgin Islands, the Cayman Islands and Montserrat - and in six countries: Antigua and Barbuda, Dominica, Grenada, Saint Christopher and Nevis, Saint Lucia, and Saint Vincent and the Grenadines.
*United States [[gallon]]s are still used for the sale of fuel in the United States and its territories (except for Puerto Rico, which has used litres since 1980), the three associated countries of the United States (the Federated States of Micronesia, the Marshall Islands and Palau), and in four other countries: Belize, Colombia, Haiti and Liberia.
* Both imperial gallons and United States gallons are used for the sale of fuel in the British Overseas Territory of the Turks and Caicos Islands and in the Bahamas.