I recently biked through here, so the photos are available here: https://www.mapillary.com/app/?pKey=1207689734465017&focus=photo / https://www.mapillary.com/app/?pKey=732016132572944&focus=photo .

It is indeed still the typical 301+849. I would normally adjust the access myself, but your changeset comment mentioned further details. (It's actually very rare in Latvia for such signage to refer to permits that can be publicly acquired by anyone. Usually these are on private roads, parking, courtyards, etc.)