Versions of Iowa Code 321.233 - Road workers exempted on LawServer 2023 Iowa Code 321.233 – Road workers exempted 2022 Iowa Code 321.233 – Road workers exempted 2020 Iowa Code 321.233 – Road workers exempted 2018 Iowa Code 321.233 – Road workers exempted 2016 Iowa Code 321.233 – Road workers exempted 2014 Iowa Code 321.233 – Road workers exempted. 2009 Iowa Code 321.233 – Road workers exempted
