2017 Michigan Laws 472.19 – Rules and regulations; establishment by road authority

2016 Michigan Laws 472.19 – Rules and regulations; establishment by road authority

2015 Michigan Laws 472.19 – Rules and regulations; establishment by road authority

2014 Michigan Laws 472.19 – Rules and regulations; establishment by road authority

2013 Michigan Laws 472.19 – Rules and regulations; establishment by road authority

2009 Michigan Laws 472.19 – Rules and regulations; establishment by road authority