Iowa Code » Chapter 313 — PRIMARY ROADS
Iowa Code

Iowa Code § 313.21 (2026)

Primary extension improvements in cities

✓ Iowa Code 2026 (laws through the 2025 session)
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1. The department, upon consultation with the council, may construct, reconstruct, improve, and maintain extensions of the primary road system within any city, including the construction, reconstruction, and improvement of storm sewers and electrical traffic control devices reasonably incident and necessary thereto. However, the improvement, exclusive of storm sewers, shall not exceed in width that of the primary road system and the amount of funds expended in any one year shall not exceed thirty-five percent of the primary road construction fund.

2. The department shall consult with the council to consider the proposed improvement in its relationship to municipal improvements such as sewers, water lines, sidewalks, and other public improvements, and the establishment or reestablishment of street grades. The location of the primary road extensions and the location, design, and degree of access control for improvements to them shall be determined by the department. [C24, §4731; C27, 31, 35, §4755-b26; C39, §4755.21; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §313.21] 89 Acts, ch 134, §6 Referred to in §384.76 For department maintenance limitations in cities, see §313.36 \n

Notes of Decisions
Cited in 4 cases, 1959–1978 · leading case: Drainage Dist. No. 119, Clay Cnty. v. Inc. City of Spencer, 268 N.W.2d 493 (Iowa 1978).
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Drainage Dist. No. 119, Clay Cnty. v. Inc. City of Spencer, 268 N.W.2d 493 (Iowa 1978). · cites it 7× “118) and to make improvements within the City upon the primary road system, with council approval (Section 313.21,) but nowhere does the court find authority for the Drainage District to make the improvement and then assess the costs to either the State or the City.”
Gardner v. City of Charles City, 144 N.W.2d 915 (Iowa 1966). · cites it 2× “” ■ Section 313.21, like several other applicable statutes, is too long to quote in full.”
Halweg v. City of Sioux City, 189 N.W.2d 623 (Iowa 1971). “Code § 313.21 and § 313.22 are additional authority for such co-operative improvements.”
Johnson v. Iowa State High. Comm'n, 94 N.W.2d 773 (Iowa 1959). “Sections 313.21, 313.22 and 313.23, Code of Iowa, 1958.”
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