Here's an article that showed up today on the news. This problem is finally going to get some much needed attention. They mentioned a study that California conducted several years earlier on the tar snakes but failed to mention if any changes were made. Did California do away with them or did they waste taxpayer money by doing nothing?
http://wishtv.com/2017/07/27/indiana-bikers-voice-concerns-over-tar-snakes/
http://wishtv.com/2017/07/27/indiana-bikers-voice-concerns-over-tar-snakes/