Transport for London (TfL) uses metres and kilometres to express distances in its press releases with few exceptions and often uses metres elsewhere in public places. However, speeds are expressed in miles per hour, no doubt due to Department for Transport (DfT) regulations and usage. Tariffs for taxi fares are expressed in metres for short journeys and in miles for longer journeys and reflect current regulations. I praise TfL for using metric units wherever they can. It is a pity that DfT regulations and usage are holding back TfL from going fully metric.
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