Every fence might be different! Clicking on the picture gives a description of that particular one's history. When I see fences/gates on forest service roads or

Every fence might be different! Clicking on the picture gives a description of that particular one's history. When I see fences/gates on forest service roads or access roads I presume one reason for them is to limit access. Roads require maintenance, having fewer vehicles driving over one means less maintenance. During winter season a fence could also be there to limit access for the purpose of reducing the need for search & rescue or towing services...