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

Iowa Code § 321.320 (2026)

Left turns — yielding

✓ current as of July 2026
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The driver of a vehicle who intends to turn to the left within an intersection or into an alley, private road, or driveway shall yield the right-of-way to all vehicles approaching from the opposite direction which are within the intersection or so close as to constitute an immediate hazard. The driver, after yielding and giving a signal as required by this chapter, may make the left turn. [S13, §1571-m18; C24, 27, 31, 35, §5035; C39, §5026.02; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.320] 2022 Acts, ch 1021, §70 Referred to in §321.482A, 805.8A(7)(f) For applicable scheduled fine, see §805.8A, subsection 7 Additional penalties for violations causing serious injury or death, see §321.482A

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Notes of Decisions
Cited in 9 cases (1 in the last 5 years), 1957–2021 · leading case: Michels v. United States, 815 F. Supp. 1244 (S.D. Iowa 1993).
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Michels v. United States, 815 F. Supp. 1244 (S.D. Iowa 1993). · cites it 4× “Ahmed failed to yield the right-of-way to Michels in violation of Iowa Code section 321.320. 10 The court further finds, pursuant to Iowa Code section 668.”
Tarrell v. Erdmann, 221 N.W.2d 504 (Iowa 1974). · cites it 6× “heir post-verdict motion for new trial plaintiffs asserted the court erred in giving instruction 12 for the reason that the instruction is contrary to the law of Iowa in view of the fact the court included in instruction 12 the italicized portion set out above, calling attention…”
Johnson v. Junkmann, 395 N.W.2d 862 (Iowa 1986). · cites it 2× “Based upon this same evidence, we believe the jury also could have determined Junkmann violated several statutory provisions, including failure to yield the right of way, Iowa Code § 321.320 (1983), and turning from a direct course when not reasonably safe to do so, id.”
Miller v. Stender, 98 N.W.2d 338 (Iowa 1959). · cites it 4× “Section 321.320 of the 1954 Code of Iowa, the Code here applicable, provides: “Turning left 8,t intersection.”
Mongar Ex Rel. Mongar v. Barnard, 82 N.W.2d 765 (Iowa 1957). · cites it 2× “Section 321.320 states a motorist intending to turn left “shall yield the right of way to any vehicle approaching from the opposite direction which is within the intersection or so close thereto as to constitute an immediate hazard * * There is little doubt the Lowe car,…”
Barnes v. Gall, 103 N.W.2d 710 (Iowa 1960). · cites it 3× “The plaintiff cites sections 321.320 and 321.311, Code of 1958, which require one within an intersection intending to turn to the left to yield the right of way to a vehicle approaching from the opposite direction; and that the approach for a left turn shall be made on the right…”
State v. Lura, 128 N.W.2d 276 (Iowa 1964). · cites it 16× “or section 321.320. The evidence shows defendant was driving west on County Road D in McCallsburg in Story County.”
State of Iowa v. Aubree Kay Bowers (Iowa Ct. App. 2021). · cites it 4× “Iowa Code § 321.320 . What we do know is Bowers’s left-hand turn required Deputy Omar to “take evasive action to avoid colliding with the vehicle being operated by” Bowers.”
State v. Franks, 311 N.W.2d 84 (Iowa 1981). · cites it 2× “On July 27, 1979, an officer charged defendant Michael Andrew Franks with a traffic offense — failure to yield the right of way contrary to section 321.320, The Code 1979. This offense is a simple misdemean- or.”
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