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CLDR Ticket #11314(new data)

Opened 2 weeks ago

miles or kilometers for road lengths?

Reported by: markus Owned by: anybody
Component: units Data Locale:
Phase: rc Review:
Weeks: 0.2 Data Xpath:


CLDR has

          <measurementSystem type="metric"  territories="001"/>
          <measurementSystem type="US"  territories="LR MM US"/>
          <measurementSystem type="metric" category="temperature" territories="LR MM"/>
          <measurementSystem type="US" category="temperature" territories="BS BZ KY PR PW"/>
          <measurementSystem type="UK"  territories="GB"/>


		<unitPreferences category="length" usage="road">
			<unitPreference regions="001">kilometer</unitPreference>
			<unitPreference regions="GB US">mile</unitPreference>
			<unitPreference regions="SE" alt="informal">mile-scandinavian</unitPreference>
		<unitPreferences category="length" usage="road" scope="small">
			<unitPreference regions="001">meter</unitPreference>
			<unitPreference regions="GB">yard</unitPreference>
			<unitPreference regions="US">foot</unitPreference>

MM=Myanmar appears on its way to "metrication", coming from a local system of units, but it appears that for roads and speeds they still use the UK system. See https://en.wikipedia.org/wiki/Myanmar_units_of_measurement “... the Ministry of Construction uses miles to describe the length of roads ...”

There seems to be less information about LR=Liberia but according to http://chartsbin.com/view/5261 which got its data from https://en.wikipedia.org/wiki/Miles_per_hour it appears that Myanmar is using miles per hour while Liberia is using km/h. I assume that the same length units are used for road speed and road length.

See also

Judging from the sources and reading between the lines:

  • Myanmar road lengths appear to be still using the UK system: miles and yards.
  • The Myanmar measurement system should be UK, not US, but going towards metric.
  • Liberia is somewhere between the US and metric systems. Road lengths apparently km and meters?
  • US territories and islands should have the same unit preferences as the US itself, unless we have more specific data.
  • UK territories and islands should have the same unit preferences as the UK itself, unless we have more specific data.
  • Caribbean islands appear to also use the UK system.




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