For clarification and due to lack of highlighting by the chap who made the proof of concept (used the addon ) whomever he is
The addon used in the ops link is my own and a chap called spooners , I continue to develop it thru a2 and a3 myself its on armaholic and called dbo tile Its possible in theory to use but unfotunately due to physx implentaion vehicles will not interact any longer with them so its only a visual possibility to that extent
For man however it will work as is , if vehicles ever go back to drive on roadway lod and not physx I will gladly review worthiness
Until then I advise for a snowy altis set the rvmat with a negative force diffuse and make a replacement hexedit like good ole days but only for personal use as bis no longer alliw hex edit and release for public