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  2. Miles per hour - Wikipedia

    en.wikipedia.org/wiki/Miles_per_hour

    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.

  3. Kilometres per hour - Wikipedia

    en.wikipedia.org/wiki/Kilometres_per_hour

    Samoa uses both miles per hour and kilometres per hour 50 km/h sign in Mexico In 1972 the EU published a directive [ 41 ] (overhauled in 1979 [ 42 ] to take British and Irish interests into account) that required member states to abandon CGS-based units in favour of SI.

  4. Speed limits in the United States - Wikipedia

    en.wikipedia.org/wiki/Speed_limits_in_the_United...

    Prior to 2009, a speed limit could be defined in kilometers per hour (km/h) as well as miles per hour (mph). The 2003 version of the MUTCD stated that "speed limits shown shall be in multiples of 10 km/h or 5 mph." [ 118 ] If a speed limit sign indicated km/h, the number was circumscribed and "km/h" was written below.

  5. Units of measurement in transportation - Wikipedia

    en.wikipedia.org/wiki/Units_of_measurement_in...

    kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km; nautical mile is rarely used to derive units of transportation quantity.

  6. Speed limits by country - Wikipedia

    en.wikipedia.org/wiki/Speed_limits_by_country

    Highest-posted speed limits around the world. Kilometres per hour are on the left and miles per hour on the right.* ... 80–120 kilometres per hour (50–75 mph)

  7. Speed limits in Canada - Wikipedia

    en.wikipedia.org/wiki/Speed_limits_in_Canada

    In most provinces and territories, statutory speed limits are 50 km/h (31 mph) in urban areas, 80 km/h (50 mph) in rural areas. [ 2 ] [ 3 ] [ 4 ] There is no statutory speed limit for grade-separated freeways; however the typical speed limit in most provinces is 100 km/h (62 mph) or 110 km/h (68 mph).

  8. National Maximum Speed Law - Wikipedia

    en.wikipedia.org/wiki/National_Maximum_Speed_Law

    55 miles per hour (89 km/h) speed limit sign being erected in response to the National Maximum Speed Limit. The National Maximum Speed Limit (NMSL) was a provision of the federal government of the United States 1974 Emergency Highway Energy Conservation Act that effectively prohibited speed limits higher than 55 miles per hour (89 km/h). The ...

  9. Hour record - Wikipedia

    en.wikipedia.org/wiki/Hour_record

    Her record was broken by American rider Evelyn Stevens in the next month - the new record was 47.980 km (29.813 mi), more than a kilometre nearer to the 50 km (31 mi) barrier. Italian rider Vittoria Bussi , after two unsuccessful attempts on 7 October 2017 [ 84 ] and on 12 September 2018, broke Stevens' world record by 27 metres riding 48.007 ...