Mapping embankments

The Dutch community is discussing better/additional mapping for embankments. Since Nederland has over 17K kilometers of dykes to hold the water out and in place, plus a lot of embankments to carry railways and roads, embankments really define the landscape in large parts of the country.

Currently embankments are mapped as a crest line only, tagged man_made=embankment. Some mappers also map the toe line as man_made=embankment.

I am thinking of proposing a tag for a way representing the toe line of the embankment. That is, the line where the embankment slope meets the ground level, to allow better representation of the embankment. The main goal would be to enable better rendering including the extent of the slopes, which is now impossible because the information simply isn’t there.

Any thoughts on the subject are welcome!

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