2024 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2023 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2022 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2020 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2019 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2017 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2016 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2015 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”

2014 Michigan Laws 250.1081 – “Trooper Paul K. Butterfield, II Memorial Highway.”