Versions of Iowa Code 321.442 - Projections on wheels on LawServer 2023 Iowa Code 321.442 – Projections on wheels 2022 Iowa Code 321.442 – Projections on wheels 2020 Iowa Code 321.442 – Projections on wheels 2018 Iowa Code 321.442 – Projections on wheels 2016 Iowa Code 321.442 – Projections on wheels 2014 Iowa Code 321.442 – Projections on wheels. 2009 Iowa Code 321.442 – Projections on wheels