# The Measuring Instruments Regulations 2016, Paragraph 2.3


The MPEs for the weight of train weighing-in-motion shall be one of the following values, whichever is the greatest:
— the value calculated according to Table 9, rounded to the nearest scale interval;
— the value calculated according to Table 9, for the weight of a single wagon equal to 35 % of the maximum wagon weight (as inscribed on the descriptive markings) multiplied by the number of reference wagons (not exceeding 10) in the train, and rounded to the nearest scale interval;
— one scale interval (d) for each wagon in the train, but not exceeding 10 d.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1G/chapter/VI/paragraph/2.3 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1G/chapter-VI/paragraph-2.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.