1. A member of the state patrol of the department of public safety is authorized to do any of the following:
a. Stop any motor vehicle or trailer on the highways for the purposes of weighing and\n\nTue Dec 09 22:17:01 2025 Iowa Code 2026, Chapter 321 (137, 2) §321.476, MOTOR VEHICLES AND LAW OF THE ROAD 262\n\ninspection, to weigh and inspect the same and to enforce the provisions of the motor vehicle laws relating to the registration, size, weight, and load of motor vehicles and trailers.
b. Weigh and inspect vehicles which have moved from a highway onto private property under circumstances which indicate that the load of the vehicle, if any, is substantially the same as the load which the vehicle carried before moving onto the private property.
2. Any person who prevents or in any manner obstructs an officer attempting to carry out the provisions of this section is guilty of a simple misdemeanor. [C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.476] 2010 Acts, ch 1061, §180; 2023 Acts, ch 85, §18 Referred to in §321.481 \n
Notes of Decisions
Cited in
8
cases (
1 in the last 5 years), 1948–2026 · leading case:
State v. A-1 Disposal, 415 N.W.2d 595 (Iowa 1987).
State v. A-1 Disposal, 415 N.W.2d 595 (Iowa 1987).
· cites it 29× “Iowa Code §§ 321.476 , 321.477, 321.492. The DOT officers who stopped Churchill and Ralston were stopping only commercial trucks over five tons to check vehicle registrations, inspect for safety violations and weigh each vehicle as allowed by statute.”
Rickie Rilea & Timothy Riley v. Iowa Dep't of Transp., 919 N.W.2d 380 (Iowa 2018).
· cites it 4× “177, § 1 (codified at Iowa Code § 321.476 (1946) ). Additionally, the highway commission received authority to designate certain employees as peace officers "to control, direct, and weigh traffic on the highways, and to make arrests for violations of the motor vehicle laws…”
State v. Scott, 409 N.W.2d 465 (Iowa 1987).
· cites it 4× “The State counters by arguing the district court appropriately applied the reasonable ground test in concluding the stop was statutorily and constitutionally justified.”
Merchants Motor Freight, Inc. v. State High. Comm'n, 32 N.W.2d 773 (Iowa 1948).
· cites it 6× “Section 321.476 states; “Authority is hereby given to the state highway commission to stop any motor vehicle or trailer on the highways for the purposes of weighing and inspection, to weigh and inspect the same and to enforce the provisions of the motor vehicle laws relating to…”
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