... In this case, the court must decide whether traffic regulations and enforcement mechanisms contained in Iowa Code chapter 321 and other code provisions were intended by the legislature to prohibit a municipality from establishing an automatic traffic enforcement system ...

... Knowing that an Estherville ordinance prohibits U-turns anywhere on Central Avenue, the officers believed the driver had committed a traffic violation and stopped the car. When the officers interacted with the driver, Donna Louwrens, they suspected she was intoxicated. ...

... Iowa Code § 321J.9. However, withdrawal of a specimen of blood, breath, or urine for chemical testing is permitted over the individual's objection pursuant to a search warrant when a traffic accident has resulted in death or injury reasonably likely to cause death, and there are ...

... Randall Pals' vehicle was searched during a traffic stop and the police officer discovered marijuana. Pals moved to suppress the evidence, challenging the legality of the traffic stop and search under the search and seizure clauses of the Iowa and Federal Constitutions. ...

... Nice has been with the Sioux City police approximately seven years. His normal duties include routine patrol, calls for service, and traffic enforcement. ... Nice also considered that he had witnessed Brubaker commit two minor traffic infractions. ...