Iowa Code » Chapter 321 — MOTOR VEHICLES AND LAW OF THE ROAD
Iowa Code

Iowa Code § 321.255 (2026)

Local traffic-control devices

✓ current as of July 2026
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Local authorities in their respective jurisdiction shall place and maintain such traffic-control devices upon highways under their jurisdiction as they may deem necessary to indicate and to carry out the provisions of this chapter or local traffic ordinances or to regulate, warn, or guide traffic. All such traffic-control devices hereafter erected shall conform to the state manual and specifications. [C39, §5019.04; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.255] Referred to in §331.362

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Notes of Decisions
Cited in 12 cases, 1955–2008 · leading case: City of Davenport v. Seymour, 755 N.W.2d 533 (Iowa 2008).
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City of Davenport v. Seymour, 755 N.W.2d 533 (Iowa 2008). · cites it 4× “, Iowa Code §§ 321.255 (traffic devices), 321.”
Metier v. Cooper Transp. Co., Inc., 378 N.W.2d 907 (Iowa 1985). · cites it 2× “2d 121, 123-24 (Iowa 1985) (Iowa Code section 321.255 direction that local authorities shall erect signs “as they deem necessary” does not give them absolute discretion regarding signs, the decision “is subject to the pervasive requirement of ordinary care under the…”
Malloy Ex Rel. Malloy v. Guthrie Cnty., 368 N.W.2d 121 (Iowa 1985). · cites it 10× “The statute on this subject is section 321.255 of the Iowa Code (1983): Local authorities in their respective jurisdiction shall place and maintain such traffic-control devices upon highways under their jurisdiction as they may deem necessary to indicate and to carry out the…”
Hershberger v. Buena Vista Cnty., 391 N.W.2d 217 (Iowa 1986). · cites it 4× “The specifications of negligence contained in the petition were as follows: Defendant county was negligent in the following respects: (a) Failure to reasonably place and maintain a proper traffic control device upon said road in violation of Section 321.255 of the 1983 Code of…”
Schmitt v. Clayton Cnty., 284 N.W.2d 186 (Iowa 1979). · cites it 2× “255: Local authorities in their respective jurisdiction shall place and maintain such traffic-control devices upon highways under their jurisdiction as they may deem necessary to indicate and to carry out the provisions of this chapter or local traffic ordinances or to regulate,…”
Gorman v. Adams, 143 N.W.2d 648 (Iowa 1966). · cites it 2× “Further, the installation of traffic signal lights, while specifically authorized by section 321.255, Code, 1962, is intimately connected with ‘and a part of the duties imposed by section 389.”
Turbot v. Repp, 72 N.W.2d 565 (Iowa 1955). · cites it 2× “Section 321.255 provides: “Local authorities in their respective jurisdiction shall place and maintain such traffic-control devices upon highways under their jurisdiction as they may deem necessary to indicate and to carry out the provisions of this chapter * * *.”
Geisking v. Sheimo, 105 N.W.2d 599 (Iowa 1960). · cites it 2× “Section 321.255 provides that all local control-traffic devices shall conform to the state manual and specifications required by section 321.”
Symmonds v. Chicago, M., St. P. & Pr Co., 242 N.W.2d 262 (Iowa 1976). “It was authorized to place traffic control devices upon the road to warn traffic, § 321.255, The Code, 1971, including a stop sign at a particularly dangerous railroad crossing, § 321.”
Gipson v. State, 419 N.W.2d 369 (Iowa 1988). · cites it 2× “Local authorities are statutorily mandated to conform to the uniform manual by Iowa Code section 321.255 (1985). Use of the manual by state officials is mandated by section 321.”
Anderson v. Lyon Cnty., 206 N.W.2d 719 (Iowa 1973). “Apparently the traffic-control device manual referred to in the evidence in the case before us was adopted by the Iowa State Highway Commission pursuant to statutory authority.”
City Of Davenport Vs. Thomas J. Seymour (Iowa 2008). · cites it 2× “, Iowa Code §§ 321.255 (traffic devices), 321.”
Annotations are extracted automatically from the opinions in the Syfert caselaw corpus and ranked by authority, recency, and treatment. Dots show Syfertize treatment of the citing case itself.