Iowa Code

Iowa Code § 306.3 (2026)

Definitions used throughout Code

✓ current as of July 2026

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As used in this chapter or in any chapter of the Code relating to highways, except as otherwise specified:

1. “Area service” or “area service system” means those secondary roads that are not part of the farm-to-market road system.

2. “County conservation parkways” or “county conservation parkway system” means those parkways located wholly within the boundaries of county lands operated as parks, forests, or public access areas.

3. “Farm-to-market roads” or “farm-to-market road system” means those county jurisdiction intracounty and intercounty roads which serve principal traffic generating areas and connect such areas to other farm-to-market roads and primary roads. The farm-to-market road system includes those county jurisdiction roads providing service for short-distance intracounty and intercounty traffic or providing connections between farm-to-market roads and area service roads, and includes those secondary roads which are federal aid eligible. The farm-to-market road system shall not exceed thirty-five thousand miles.

4. “Interstate roads” or “interstate road system” means those roads and streets of the primary road system that are designated by the secretary of the United States department of transportation as the national system of interstate and defense highways in Iowa.

5. “Municipal street system” means those streets within municipalities that are not primary roads or secondary roads.

6. “Primary roads” or “primary road system” means those roads and streets both inside and outside the boundaries of municipalities which are under department jurisdiction.

7. “Public road right-of-way” means an area of land, the right to possession of which is secured or reserved by the state or a governmental subdivision for roadway purposes. The right-of-way for all secondary roads is sixty-six feet in width, unless otherwise specified by the county board of supervisors of the respective counties.

8. “Road” or “street” means the entire width between property lines through private property or the designated width through public property of every way or place of whatever nature if any part of such way or place is open to the use of the public, as a matter of right, for purposes of vehicular traffic.

9. “Secondary roads” or “secondary road system” means those roads under county jurisdiction.

10. “State park, state institution, and other state land road system” consists of those roads and streets wholly within the boundaries of state lands operated as parks, or on which institutions or other state governmental agencies are located. [C24, 27, §4636; C31, 35, §4644-c2; C39, §4644.02; C46, 50, §309.2; C54, 58, 62, 66, §306.2; C71, 73, 75, 77, 79, 81, §306.3] 92 Acts, ch 1153, §1; 98 Acts, ch 1075, §1; 2003 Acts, ch 144, §1; 2014 Acts, ch 1123, §1 Referred to in §307.24, 309.3, 310.1, 314.30, 315.3, 321.285, 715E.6 \n

Notes of Decisions

Cited in 18 cases (1 in the last 5 years), 1962–2022 · leading case: State v. Hutchison, 721 N.W.2d 776 (Iowa 2006).

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State v. Hutchison, 721 N.W.2d 776 (Iowa 2006). · cites it 5× “§ 306.3 (stating listed definitions apply to chapter 306 and “any chapter of the Code relating to highways”); see also State v.”

Den Hartog v. City of Waterloo, 847 N.W.2d 459 (Iowa 2014). · cites it 5× “See Iowa Code § 306.3 (7) (defining "Public road right-of-way”).”

Kelli Jo Griffin v. Paul Pate, in His Off. Capacities as the Sec'y of State of Iowa, & Denise Fraise, in Her Off. Capacities as the Cnty. Auditor of Lee Cnty., Iowa, 884 N.W.2d 182 (Iowa 2016). · cites it 2× “” Model Penal Code § 306.3(1), 10A U.L.A. 751 (2001). 68 The majority opinion leaves a couple avenues of redress for those seeking to vote after fulfilling their criminal sanctions.”

Hoskinson v. City of Iowa City, 621 N.W.2d 425 (Iowa 2001). · cites it 4× “Iowa Code § 306.3 (1995) (emphasis added).”

Drainage Dist. No. 119, Clay Cnty. v. Inc. City of Spencer, 268 N.W.2d 493 (Iowa 1978). · cites it 3× “Effective July 1, 1975, the legislature changed jurisdiction over extensions of primary roads by repealing and enacting a substitute for sections 306.3 and 306.4, The Code, 1973.”

Butler v. State, 336 N.W.2d 416 (Iowa 1983). · cites it 2× “8 , the State’s primary road system, Iowa Code § 306.3 (2), (3). These statutory duties and the common law duty to make highways reasonably safe for the traveling public, Lewis, 256 N.”

Curtis v. Bd. of Supervisors of Clinton Cnty., 270 N.W.2d 447 (Iowa 1978). “§ 306.3(2), The Code. Jurisdiction of the primary road system is vested exclusively in the department of transportation.”

Hagen v. DeNooy, 563 N.W.2d 4 (Iowa Ct. App. 1997). · cites it 2× “She asserts Iowa Code section 306.3(10) defines “road” to include the road’s shoulder.”

Mulkins v. Bd. of Supervisors of Page Cnty., 330 N.W.2d 258 (Iowa 1983). · cites it 2× “2d 579, 581 (Iowa 1970); Iowa Code §§ 306.3 (4), 306.4(2), 306.10.”

Larsen v. Pottawattamie Cnty., 173 N.W.2d 579 (Iowa 1970). · cites it 2× “3 provides, in substance, the secondary bridge system within a county embraces all bridges located therein, with certain exceptions not here relevant.”

A & S, INC. v. Iowa State High. Comm'n, 116 N.W.2d 496 (Iowa 1962). · cites it 2× “Section 306.3, Code of Iowa. The improvement of primary roads under the jurisdiction of the commission is provided for in chapter 313, Code of Iowa.”

Hinrichs v. Iowa State High. Comm'n, 152 N.W.2d 248 (Iowa 1967). “It is claimed this was contrary to Code sections 306.3, 306A.6 and 307.1, and violated plaintiffs’ rights under section 1, Amendment 14, Constitution of the United States, and Article I, section 9, of the Iowa Constitution.”

Show all 18 citing cases →

— Iowa Code § 306.3(1) — 2 cases

Kelli Jo Griffin v. Paul Pate, in His Off. Capacities as the Sec'y of State of Iowa, & Denise Fraise, in Her Off. Capacities as the Cnty. Auditor of Lee Cnty., Iowa, 884 N.W.2d 182 (Iowa 2016). “” Model Penal Code § 306.3(1), 10A U.L.A. 751 (2001). 68 The majority opinion leaves a couple avenues of redress for those seeking to vote after fulfilling their criminal sanctions.”

Amended October 25, 2016 Kelli Jo Griffin v. Paul Pate, in His Off. Capacities as the Sec'y of State of Iowa, & Denise Fraise, in Her Off. Capacities as the Cnty. Auditor of Lee Cnty., Iowa (Iowa 2016).

— Iowa Code § 306.3(10) — 1 case

Hagen v. DeNooy, 563 N.W.2d 4 (Iowa Ct. App. 1997). “She asserts Iowa Code section 306.3(10) defines “road” to include the road’s shoulder.”

— Iowa Code § 306.3(2) — 1 case

— Iowa Code § 306.3(4) — 1 case

Cornbelt Running Club v. City of Riverdale (Iowa Ct. App. 2022).

— Iowa Code § 306.3(7) — 2 cases

State v. Hutchison, 721 N.W.2d 776 (Iowa 2006). “§ 306.3 (stating listed definitions apply to chapter 306 and “any chapter of the Code relating to highways”); see also State v.”

State Of Iowa Vs. Charlotte Hutchison, Frank Cordaro, Josh Plank, Rita Hohenshell, & Edward Bloomer (Iowa 2006).

— Iowa Code § 306.3(8) — 4 cases

State v. Hutchison, 721 N.W.2d 776 (Iowa 2006). “§ 306.3 (stating listed definitions apply to chapter 306 and “any chapter of the Code relating to highways”); see also State v.”

Den Hartog v. City of Waterloo, 847 N.W.2d 459 (Iowa 2014). “See Iowa Code § 306.3 (7) (defining "Public road right-of-way”).”

Cornbelt Running Club v. City of Riverdale (Iowa Ct. App. 2022).

Tunis E. Den Hartog, Shirley Ann Schweertman, Leonard G. Lybbert, James Edward Schuman, Michael J. Mac, Mary Ellen Molinaro, William James Robert, & Mark D. Fisher v. City of Waterloo (Iowa 2014).

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