Tag:traffic_sign=speedometer_test
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 traffic_sign = speedometer_test
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| Description |
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| Speedometer test sign |
| Group: restrictions |
| Used on these elements |
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| Status: in use |
| Tools for this tag |
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traffic_sign=speedometer_test is used for old-fashioned signs which are placed every kilometer, typically along long straight sections of road. These signs are used to test the accuracy of a car's speedometer. For this to work, cars must travel at a constant speed and reset their odometer at the start.
See also
highway=speed_display- the modern, digital replacement