2024 Iowa Code 321.344 – Heavy equipment at crossing

2023 Iowa Code 321.344 – Heavy equipment at crossing

2022 Iowa Code 321.344 – Heavy equipment at crossing

2020 Iowa Code 321.344 – Heavy equipment at crossing

2018 Iowa Code 321.344 – Heavy equipment at crossing

2016 Iowa Code 321.344 – Heavy equipment at crossing

2014 Iowa Code 321.344 – Heavy equipment at crossing.

2009 Iowa Code 321.344 – Heavy equipment at crossing