2023 North Dakota Code 39-21-18 – Audible and visual signals on vehicle

2022 North Dakota Code 39-21-18 – Audible and visual signals on vehicle

2021 North Dakota Code 39-21-18 – Audible and visual signals on vehicle

2019 North Dakota Code 39-21-18 – Audible and visual signals on vehicle

2016 North Dakota Code 39-21-18 – Audible and visual signals on vehicle

2014 North Dakota Code 39-21-18 – Audible and visual signals on vehicle

2009 North Dakota Code 39-21-18 – Audible and visual signals on vehicle