2023 Iowa Code 321.231 – Authorized emergency vehicles and police bicycles

2022 Iowa Code 321.231 – Authorized emergency vehicles and police bicycles

2020 Iowa Code 321.231 – Authorized emergency vehicles and police bicycles

2018 Iowa Code 321.231 – Authorized emergency vehicles and police bicycles

2016 Iowa Code 321.231 – Authorized emergency vehicles and police bicycles

2014 Iowa Code 321.231 – Authorized emergency vehicles and police bicycles.

2009 Iowa Code 321.231 – Authorized emergency vehicles and police bicycles