From OpenStreetMap Wiki
|barrier = border_control|
|A control point at an international border between two countries.|
|Used on these elements|
|Tools for this tag|
: a control point at an international border between two countries. Passports or other forms of ID might be checked and/or a customs check is carried out. At some international border crossings there are several distinct control points. Tag the place where border control actually takes place, not the border itself.
How to tag
Start by placing a tag
on a node that is part of an existing way to indicate where the control point is.