Versions of Iowa Code > Chapter 312 - Road Use Tax Fund on LawServer 2023 Iowa Code > Chapter 312 – Road Use Tax Fund 2022 Iowa Code > Chapter 312 – Road Use Tax Fund 2020 Iowa Code > Chapter 312 – Road Use Tax Fund 2018 Iowa Code > Chapter 312 – Road Use Tax Fund 2016 Iowa Code > Chapter 312 – Road Use Tax Fund 2014 Iowa Code > Chapter 312 – Road use tax fund 2009 Iowa Code Chapter 312 – Road use tax fund