Iowa Code
Iowa Code § 321.321 (2026)
Entering through highways
✓ current as of July 2026
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The driver of a vehicle shall stop or yield as required by this chapter at the entrance to a through highway and shall yield the right-of-way to other vehicles which have entered the intersection from said through highway or which are approaching so closely on said through highway as to constitute a hazard, but said driver having so yielded may proceed cautiously and with due care enter said through highway. [C27, §5079-b2, -b3; C31, 35, §5079-b2, -b3, -d2, -d3; C39, §5026.03; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.321] Referred to in §321.482A, 805.8A(7)(g) For applicable scheduled fine, see §805.8A, subsection 7 Additional penalties for violations causing serious injury or death, see §321.482A
\nNotes of Decisions
Cited in 12
cases, 1948–1973 · leading case: Lemke v. Mueller, 166 N.W.2d 860 (Iowa 1969).
Lemke v. Mueller, 166 N.W.2d 860 (Iowa 1969). “In her petition plaintiff charged Mueller with proximate negligence in failing to (a) keep a proper lookout, (b) have his truck under proper control, (c) yield the right-of-way and (d) stop or yield the right-of-way at the entrance to a through highway, contrary to section…”
Turbot v. Repp, 72 N.W.2d 565 (Iowa 1955). “Another instruction, based upon section 321.321, Code of Iowa, 1954, stated in part: “The statute further provides that the driver of a vehicle shall stop at the entrance to a through highway and shall yield the right of way to other vehicles * * * on said through highway * * #,…”
Van Wie v. United States, 77 F. Supp. 22 (N.D. Iowa 1948). “1, Subparagraph 53 provides in part as follows: “ ‘Through (or thru) highway’ means every highway or portion thereof at the entrances to which vehicular traffic from intersecting highways is required by law to stop before entering or crossing the same and when stop signs are…”
Trask v. Gibbs, 200 N.W.2d 565 (Iowa 1972). “*567 (2) The court erred in failing to properly instruct the jury on the combined duty to stop and to yield at a stop sign (under section 321.321, Code, 1966); further asserting that in its instructions the court improperly separated such duties.”
Wilson v. Jefferson Transp. Co., 163 N.W.2d 367 (Iowa 1968). “689 and sections 321.321, 321.322, Iowa Code (1966).”
Paulsen v. Haker, 95 N.W.2d 47 (Iowa 1959). “Section 321.321 requires a driver who- enters a through highway at an intersection to- stop and to yield the right of way to other vehicles which are approaching so- closely on said through highway as to constitute- a hazard; but this, as we have pointed out, does not absolve…”
Vanderheiden v. Clearfield Truck Rentals, Inc., 210 N.W.2d 527 (Iowa 1973). “The plaintiff was not shown to have entered a highway intersection under section 321.321, The Code. Neither was it claimed the plaintiff was undertaking to change from a lane marked for traffic under section 321.”
Wander v. Brady, 105 N.W.2d 86 (Iowa 1960). “319 and section 321.321. They provide: “321.319 Approaching or entering intersections.”
Woode v. Kabela, 128 N.W.2d 241 (Iowa 1964). “This provision appears in section 321.321 of the 1962 Code: “The driver of a vehicle shall stop or yield as required by this chapter at the entrance to a through highway.”
Peterson v. Union Motor Sales Co., 66 N.W.2d 496 (Iowa 1954). “Error is assigned to part of instruction 11, which was based upon section 321.321, Code of Iowa, 1950, 1954, entitled, “Entering through highways.”
Beardsley v. Hobbs, 34 N.W.2d 916 (Iowa 1948). “Code section 321.321, states: “Entering through highways.”
Johnson v. Limestone Prods. Co., 50 N.W.2d 649 (Iowa 1952). “03, Code of 1939 (section 321.321, Code of 1946), was not applicable.”
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