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Read. Follow. Verify.Iowa Senate File 390 Adjusts Oversize Vehicle Permits, Local Road Rules, and Registration Fees
Last action · March 3, 2025: Subcommittee: Dickey, Dotzler, and Gruenhagen. S.J. 393 .
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What This Bill Would Do
Iowa Senate File 390 modifies permit rules for vehicles operating with excessive size or weight, allowing on primary and secondary roads while establishing local road review procedures and a new single-trip registration fee of $4 per ton exceeding 40 tons. The bill also expands the allowable gross weight for certain permitted vehicles to 12.5 percent and removes the restriction that international shipping containers must hold only raw forest products to qualify as s.
Commercial carriers and freight operators face modified routing validation rules, altered weight thresholds, and new single-trip registration pricing structures when operating oversize or overweight vehicles across Iowa roadways.
- Senate File 390 originates from the Senate Committee on Transportation as a successor to Senate Study Bill 1043 during the 91st General Assembly of Iowa. context
Who It Would Affect
Groups the bill's text would affect if enacted, as described in the record. Being affected is not a position for or against it.
Commercial motor carriers
Carriers operating oversize or overweight vehicles face updated weight variance allowances, new route review standards, and single-trip registration fee calculations.
Local authorities
Local governing bodies must provide written justification reports to the Department of Transportation when designating all-systems permit roads as invalid and cooperate to find alternate routes.
Iowa Department of Transportation
The department is tasked with reviewing local road restrictions, adopting rules under chapter 17A, and administering single-trip registrations and fees.
Key Facts
- All-systems permits issued by the Department of Transportation are valid on all primary roads and secondary roads, including truck routes, except for the interstate system and roads designated as invalid by local authorities.
- Local authorities that designate an all-systems permit road as not valid must provide a written justification report to the Department of Transportation.
- Disagreements between local authorities and the Department of Transportation regarding road validity are resolved in accordance with chapter 17A rules.
- Permitted vehicles with a gross weight exceeding 80,000 pounds are prohibited from traveling on any portion of the interstate road system.
Show all 8 facts
- Vehicles with loads having an overall width, length, height, and total gross weight exceeding authorized limits by more than 12.5 percent may operate under an all-systems permit with route approval.
- The bill strikes the requirement that international shipping containers must hold only raw forest products to qualify as indivisible loads under single-trip permits.
- A vehicle traveling under a single-trip permit may be registered with the Department of Transportation on a single-trip basis for the combined gross weight of the vehicle and load.
- The fee for single-trip registration is established at $4 per ton exceeding 40 tons.
Frequently Asked Questions
Can local authorities completely ban all-systems permit vehicles from local truck routes without oversight?
What is the maximum weight variance allowed for certain permitted vehicles under the bill?
What else do you want to know?
News Coverage
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Votes, people, money & the original sourceWhere This Stands
Currently in committee. The next step in the legislative lifecycle is Floor Vote.
Procedural history
9 actions- Mar 3, 2025SenateSubcommittee: Dickey, Dotzler, and Gruenhagen. S.J. 393 .
- Feb 26, 2025SenateCommitteeReferred to Ways and Means. S.J. 361 .
- Feb 20, 2025SenateCommittee report, approving bill. S.J. 334 .
- Feb 20, 2025SenateIntroducedIntroduced, placed on calendar. S.J. 321 .
- Feb 19, 2025Iowa LegislatureCommittee report approving bill, renumbered as SF 390 .
- Feb 4, 2025Iowa LegislatureSubcommittee recommends passage.
Show 3 earlier actions
- Feb 3, 2025Iowa LegislatureSubcommittee Meeting: 02/04/2025 3:30PM Room 217 Conference Room.
- Jan 27, 2025Iowa LegislatureSubcommittee: Gruenhagen, Bennett, and De Witt.
- Jan 27, 2025Iowa LegislatureIntroducedIntroduced, referred to Transportation.
Version history
Only one version on file - nothing to compare yet. As later stages (committee substitute, engrossed, enrolled) are captured, the redline appears here.
View official text →Lobbying Activity
No state lobbying filings in our records match this bill. Federal lobbying reports (LDA) cover Congress, so they are not listed on state bills.
Full breakdown
Who this bill affects and the strongest case for and against it, written only from the bill’s own text.
Discoveries
Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.
State Oversight of Local Road Permit Restrictions
The legislation establishes formal review authority for the Department of Transportation over local government decisions to bar permitted oversize vehicles from specific local roads.
Connected Entities
Sources
www.legis.iowa.gov
Analysis Score
0–100- Significance55How much this matters to a regular citizen
- Controversy35Intensity of disagreement among stakeholders
- Entertainment5Compellingness for a non-policy-wonk reader
- Buzz20Current news / social attention level
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