Key:maxwidth
 maxwidth
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| Description |
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The legally restricted maximum width of a vehicle 
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| Group: restrictions |
| Used on these elements |
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| Useful combination |
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| Status: de facto |
| Tools for this tag |
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The key maxwidth specifies a legal restriction of the maximum permissible width of a vehicle in order to use a way or other feature (e.g., a gate or a bridge). By default, values will be interpreted as metres, with any decimals separated by the dot separator. If the permissible width should be specified in feet and inches, ' and ", respectively, are used as units, without spaces. See the examples for valid values.
The source of the maximum permissible width can be specified by source:maxwidth=*.
Examples
| Width | Tagging | Remark |
|---|---|---|
| Three metres | maxwidth=3 | Alternatively maxwidth=3 m could be used. |
| 3.2 metres | maxwidth=3.2 | Please note the dot as decimal separator! |
| 6 feet and 7 inches | maxwidth=6'7" | |
| 8 feet | maxwidth=8' | In some cases (example example) no inches are specified and the legal limit is listed in feet only. For example, in the Glacier National Park in Montana.
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Common mistakes
Actual width
Do not confuse the specification of the maximum permissible width of vehicles with the specification of the width of the road surface defined by width=*.
Maximum physical width
Do not confuse the specification of the legally restricted maximum width of vehicles with the specification of a physical width limit via maxwidth:physical=*.
Incorrect values
If a sign specifies the maximum width with a certain precision, than this value should be used as-is. So a sign displaying 2,0m should result in maxwidth=2.0 (not 2 or 2.00), and likewise a sign displaying 6'0" should result in maxwidth=6'0" (not 6').
Often the values themselves are not specified correctly. The following table contains examples of incorrect tags and their correct notation.
| Incorrect | Explanation | Correct |
|---|---|---|
maxwidth=3.8m
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The space between value and unit is missing. | maxwidth=3.8 or maxwidth=3.8 m |
maxwidth=3.8 metres
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The unit 'metres' is not the correct unit. | maxwidth=3.8 or maxwidth=3.8 m |
maxwidth=0,6
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The comma is used as wrong decimal separator. | maxwidth=0.6 or maxwidth=0.6 m |
maxwidth=7 ft
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The unit 'ft' is not a correct unit. Use '. | maxwidth=7' |
maxwidth=2.3; 7'9"
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Only one value is allowed. Choose either metres or feet/inch according to local mapping custom. | maxwidth=2.3 m or maxwidth=7'9" |
See also
- Specification of other access restrictions via access=*
- Specification of the width of the road's surface via width=*
- Specification of a physical restriction of the maximum possible width via maxwidth:physical=*
- Specification of a legal restriction of the maximum permissible height via maxheight=*
- Specification of a legal restriction of the maximum permissible weight via maxweight=*