2023 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2022 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2020 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2018 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2016 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2015 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2014 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2013 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited

2009 Missouri Laws 304.331 – Alteration or removal of traffic-control devices prohibited