Iowa Driving & Vehicles Laws (2026)

A comprehensive legal reference for driving & vehicles in the state of Iowa. This guide covers current statutes, penalties, and restrictions for 8 different categories.

Iowa does not have any laws prohibiting driving barefoot. The Iowa Code does not specify any footwear requirements for drivers.

State Law

None

Practical Considerations

None

Penalties

N/A

Iowa Code §321.297 prohibits motorcycles from lane splitting or lane sharing. Motorcycles must travel within a single lane and may not pass between lanes of traffic.

Lane Splitting Rules

No specific rules related to lane splitting possession.

Lane Filtering Rules

No specific rules related to lane splitting sale or purchase.

Penalties

Violations may result in fines and points on the operator's driving record.

License Requirements

None

License plate covers are restricted in Iowa. No significant legislative changes since 2023, but there is a continued emphasis on ensuring that plates are not obstructed.

Usage Rules

Clear covers may be legal; tinted/smoked covers illegal

Purchase & Sale

Legal to sell clear covers

Penalties

Traffic citation and fines for obscured plates.

Age Restriction

N/A

Radar Detectors are legal in Iowa. Iowa Code does not prohibit radar detectors in passenger vehicles but bans their use in commercial vehicles over 10,000 pounds.

Passenger Vehicle Use

Legal in private passenger vehicles; illegal in commercial vehicles over 10,000 pounds.

Commercial Vehicle Rules

No restrictions on sale or purchase.

Penalties

N/A for private vehicles; fines for commercial vehicle violations.

Age Restriction

None

Radar jammers are federally illegal in all states including Iowa under FCC regulations. There have been no recent legislative changes in Iowa regarding laser jammers.

State Law

Radar jammers: federally illegal. Laser jammers: legal

Federal Law

Laser jammers may be sold; radar jammers illegal

Penalties

Federal penalties for radar jammers. Laser jammers are unregulated.

Age Restriction

N/A

Right turn on red is legal in Iowa after coming to a complete stop and yielding to pedestrians and cross traffic, unless a sign prohibits it at a specific intersection. In 2017, a law was passed to clarify that right turns on red are permitted from lanes designated for right turns, but no major c...

General Rule

Legal after complete stop

Exceptions & Restrictions

N/A

Penalties

Traffic violation if sign prohibits it at specific intersection.

Driver Requirements

N/A

Studded Snow Tires are legal in Iowa. There have been no significant changes to Iowa's studded tire law in recent years.

Usage Rules

Legal during winter season only

Seasonal Restrictions

Legal

Penalties

Fines for use outside the permitted season.

Age Restriction

N/A

Window Tinting

RESTRICTED

Iowa requires front side windows to allow at least 35% light transmission, rear side and back windows may be tinted darker. Windshield tinting is only allowed above the AS-1 line. These rules are in Iowa Code § 321.446.

Tint Limits (VLT %)

Possession of illegal tint is not prohibited but vehicles must comply when driven.

Medical Exemptions

Sale of non-compliant tint films is prohibited.

Penalties

Fines and orders to remove illegal tint may apply.

Age Restriction

None