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Public-images-osm logo.svg highway = proposed
Forest Samobor.JPG
A road that is about to be built, but where any construction work hasn't yet been started. Show/edit corresponding data item.
Group: highways
Used on these elements
may 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

For roads that are scheduled to be built, but where any construction work hasn't yet been started.

Used in the same way as highway=construction; that is, you set highway=proposed together with anything between proposed=motorway through proposed=footway to proposed=motorway_junction.

If you don't know what category the road will be, set proposed=road.

See proposed=* for more guidance.

In case of mapping it - always include sources confirming that it is actually a serious project and that such road geometry was selected.

Planned roads are not objects that can be seen on the ground, so the source of the data must be specified each time. This can be the source=* tag on the object or in the changeset.

It is perfectly fine to delete highway=proposed where it is not verifiable that roads are to be built.

Common problem with highway=proposed road is tagging roads that are certainly not "about to be built". In the picture (faint line from top-left to bottom-right) - http://www.openstreetmap.org/way/290450974/history across Bering Strait- see Bering Strait crossing on Wikipedia

An example of how a road can be planned for a long time and nothing happens: