You can split the forest relations along the roads, railways, cutlines and power lines. It is a manual work, but at least it is improving the data.

For example this area in Estonia had several big forest areas imported from corine: osm.org/#map=16/59.3301/24.2921 . Some of them have been split along the roads, railways and power lines to make the relations a little bit more editable.

If the forest is not fully coniferous and you do have either nrg imagery available or a lot of time for outdoor mapping, then you can split the forests further by separating coniferous, mixed and decidous forests.

Sorry, posted the abowe text under wrong diary entry.

You can split the forest relations along the roads, railways, cutlines and power lines.

For example this area in Estonia had several big forest areas imported from corine: osm.org/#map=16/59.3301/24.2921 . Some of them have been split along the roads, railways and power lines to make the relations a little bit more editable.

If the forest is not fully coniferous and you do have either nrg imagery available or a lot of time for outdoor mapping, then you can split the forests further by separating coniferous, mixed and decidous forests.

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If there is some empty space (grass, ditch, etc..) between road and the forest then do not connect the nodes of road and forest area. If the forest ends directly at the road, then you may connect the nodes.

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