Iowa House Bill HF542

Iowa 2025-2026 Regular Session

• Introduced: 2/20/25
• Refer: 4/3/25

Caption

A bill for an act relating to operators of motor vehicles approaching certain slow-moving authorized emergency vehicles, and making penalties applicable.(Formerly HF 98.)

Summary

HF 542 expands Iowa’s “move over” style driving requirements to cover not only stationary authorized emergency vehicles with flashing lights, but also authorized emergency vehicles that are moving slowly. Under the bill, a driver approaching a slow-moving authorized emergency vehicle must use due caution and follow the same lane-change or speed-reduction rules that already apply when approaching a stationary emergency vehicle, unless a peace officer directs otherwise. The bill defines “slow-moving” for this purpose as a vehicle operated at 15 miles per hour or less on, along, or adjacent to the roadway by a person performing official job duties. The measure does not change similar caution requirements for other types of roadside vehicles, such as tow trucks, utility maintenance vehicles, highway maintenance vehicles, construction vehicles, or solid waste and recycling vehicles.

Impact

HF 542 amends Iowa Code section 321.323A to broaden the scope of driver conduct requirements around authorized emergency vehicles and to add a statutory definition of “slow-moving.” Violations remain a simple misdemeanor with a scheduled fine, and existing enhanced penalties and driver’s license suspension consequences continue to apply when a violation causes property damage, bodily injury, or death. The practical effect is to extend roadside safety protections to emergency personnel and others operating qualifying emergency vehicles at low speeds near traffic.

Sentiment

The available record shows the bill was introduced by the House Committee on Public Safety and referred to committee, with no recorded votes or transcript debate in the provided materials. Based on the bill’s subject matter and structure, it appears to be a straightforward public-safety measure aimed at clarifying and expanding existing driver duties rather than a controversial policy change. The absence of recorded opposition or amendment activity suggests neutral to favorable treatment at this stage.

Contention

The main policy distinction in the bill is that it extends the caution-and-lane-change requirements only to slow-moving authorized emergency vehicles, while leaving other roadside vehicle categories unchanged. That selective coverage could be a point of discussion for stakeholders who might ask why tow, utility, highway maintenance, construction, or waste-collection vehicles are not similarly included. Another possible point of contention is the 15-miles-per-hour threshold, which creates a bright-line definition that may be seen as either helpful for enforcement or too narrow depending on operational circumstances.