Wellicht kan mapper Eric nog even reageren.
Er is daar zoveel veranderd. 
Volgens de data zijn die borden verwijderd.
id	10348574
type	deleted
rvv_code	C15
text_signs	""
location.placement	L
location.side	Z
location.road.name	Driebondsweg
location.road.type	0
location.road.number	0
location.county.name	Groningen
details.first_seen	2016-10-17
details.last_seen	2016-10-17
details.removed	2020-04-21
location.wgs84.latitude	53.2246
location.wgs84.longitude	6.61471
MVG
eggie