Tag:usage=transportation

usage = 
Description
Specifies that a canal is used for transportation by ships, boats or canoes Show/edit corresponding data item.
Group: waterways
Used on these elements
should not be used on nodesmay be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Useful combination
Status: in use
More details at taginfo
Tools for this tag

The tag usage= is added to a waterway=canal to specify that it is used to by boats or ships as a means of transportation.

How to map

Draw a way and add the tags waterway=canal + usage=. Consider adding the width=* in meters

Also consider adding tags which specify legal access for boats and ships such as:

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