Canadian Metric Highway Signs 1977

September 6, 2012 by  

Canadian Metric Highway Signs 1977, Canada has converted to the metric system for many purposes but there is still significant use of non-metric units and standards in many sectors of the Canadian economy. This is mainly due to historical ties with the United Kingdom (before metrication), the traditional use of the imperial system of measurement in Canada, close proximity to the United States, and to public opposition to metrication during the transition period.

Until the 1970s, Canada traditionally used the imperial system of measurement units, labelled as “Canadian units of measurements” under Schedule II, Section 4 of the Weights and Measures Act (R.S., 1985, c. W-6). These units have the same name and, with the exception of capacity measures such as the gallon, the same values as U.S. customary units.

For example, before metrication in Canada, gasoline was sold by the imperial gallon (4.55 litres) whereas, south of the border in the U.S., it was sold by the U.S. gallon (3.78 litres). In cross-border transactions, it was often confusing whether values quoted in pints, gallons, tons, etc. were referring to the U.S. values or the imperial values of these units.

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