Idaho Code

Idaho Code § 49-634 (2026)

Limitations on overtaking on the left. 

✓ text as last checked Oct. 2026 (this copy records no edition or section history)
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Limitations on overtaking on the left. 

No vehicle shall be driven to the left side of the center of the highway in overtaking and passing another vehicle proceeding in the same direction, unless the left side is clearly visible and free of oncoming traffic for a sufficient distance ahead to permit the overtaking and passing to be completely made without interfering with the operation of any vehicle approaching from the opposite direction or any vehicle overtaken. In every event the overtaking vehicle must return to an authorized lane of travel as soon as practicable and in the event the passing movement involves the use of a lane authorized for vehicles approaching from the opposite direction, before coming within two hundred (200) feet of any approaching vehicle.

Notes of Decisions
Cited in 3 cases (1 in the last 5 years), 1990–2021 · leading case: Haxforth v. State, 786 P.2d 580 (Idaho Ct. App. 1990).
Haxforth v. State, 786 P.2d 580 (Idaho Ct. App. 1990). · cites it 4× “Tragically, Haxforth’s maneuver — a violation of I.C. § 49-634 — caused the death of Susan Herman, a passenger in an oncoming vehicle.”
State v. McNair, 108 P.3d 410 (Idaho Ct. App. 2005). · cites it 2× “The State charged Haxforth with misdemeanor vehicular manslaughter, alleging not gross negligence but ordinary negligence. Following his conviction, Haxforth brought a petition for post-conviction relief, asserting, among other things, that I.”
Magee v. J.R. Simplot Co., No. 4:19-cv-00353 (D. Idaho July 12, 2021). “ISO Mot. to Am., 2-6 (Dkt. 39-1). For the following reasons, these stated bases – either singularly or in combination – do not rise to the level of warranting a claim for punitive damages.”
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