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

Iowa Code § 321.315 (2026)

Signal continuous

✓ current as of July 2026
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A signal of intention to turn right or left shall be given continuously during not less than the last one hundred feet traveled by the vehicle before turning when the speed limit is forty-five miles per hour or less and a continuous signal during not less than the last three hundred feet when the speed limit is in excess of forty-five miles per hour. [C39, §5025.05; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.315] Referred to in §321.314, 321.316, 805.8A(6)(o) For applicable scheduled fine, see §805.8A, subsection 6

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Notes of Decisions
Cited in 11 cases (1 in the last 5 years), 1948–2022 · leading case: State v. Malloy, 453 N.W.2d 243 (Iowa Ct. App. 1990).
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State v. Malloy, 453 N.W.2d 243 (Iowa Ct. App. 1990). · cites it 10× “ct course upon a highway unless and until such movement can be made with reasonable safety and then only after giving a clearly audible signal by sounding the horn if any pedestrian may be affected by such movement or after giving an appropriate signal in the manner hereinafter…”
Mongar Ex Rel. Mongar v. Barnard, 82 N.W.2d 765 (Iowa 1957). · cites it 4× “” This statement, which defendant denies, lends some support to plaintiff’s testimony that defendant “just up and stopped” and to the conclusion he did not give a signal of his intention to turn left “continuously during not less than the last one hundred feet * * * before…”
Clayton v. McIlrath, 44 N.W.2d 741 (Iowa 1950). · cites it 2× “Obviously a motorist who is starting a parked car cannot possibly give the signal required by section 321.315 for the last one hundred feet traveled by him before turning.”
United States v. Mendoza, 677 F.3d 822 (8th Cir. 2012). “See Iowa Code §§ 321.315 , 321.297, 321.277, 321.”
Weber v. Hansen, 43 N.W.2d 766 (Iowa 1950). · cites it 2× “317, 321.318, 1950 Code. A signal of intention to turn right or left is required to be given continuously during not less than the last one hundred feet traveled before turning.”
Janvrin v. Broe, 33 N.W.2d 427 (Iowa 1948). · cites it 2× “” It would be impossible for one starting a parked car to give such a signal. One starting a parked car from its proper place of parking along the right side or curb of a city street can turn only to the left, and the statutes do not require a signal to indicate it.”
Hope v. Ted McGrevey, Inc., 44 N.W.2d 369 (Iowa 1950). · cites it 2× “” Section 321.315, 1950 Code, “Signal continuous.”
United States v. Anthony Miller, 915 F.3d 1207 (8th Cir. 2019). “" Iowa Code § 321.315 . The speed limit on South 11th Street is 25 miles per hour.”
Kleckner v. United States (N.D. Iowa 2019). · cites it 2× “Failure to signal Iowa Code §321.315 states, “A signal of intention to turn a right or left shall be given continuously during not less than the last one hundred feet traveled by the vehicle before turning when the speed limit is forty-five miles per hour or less and a…”
Crow v. Weller, 197 N.W.2d 352 (Iowa 1972). · cites it 2× “A vehicle may be turned from a direct course upon a highway if another vehicle is involved only after a signal is made by the operator of the vehicle in the manner provided for in section 321.315, The Code. The record here does not disclose the presence of any pedestrian on the…”
State of Iowa v. Robert Darnell Luckett, III (Iowa Ct. App. 2022). “He also does not challenge the notion that a violation of section 321.314 occurred if he did not use his turn signal before making a turn.”
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.