Ariz. Rev. Stat. » Title 28
Arizona Revised Statutes

Ariz. Rev. Stat. § 28-728 (2026)

Oneway roadways and rotary traffic islands

✓ current as of May 2026
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A. The director may designate any highway or any separate roadway under the director's jurisdiction for one-way traffic and shall erect appropriate signs giving notice of one-way traffic.

B. On a roadway designated and signposted for one-way traffic, a person shall drive a vehicle only in the direction designated.

C. A person shall drive a vehicle passing around a rotary traffic island only to the right of the island.

Notes of Decisions
Cited in 2 cases (1 in the last 5 years), 1990–2025 · leading case: Franz v. State (Ariz. Ct. App. 2025).
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Franz v. State (Ariz. Ct. App. 2025). · cites it 8× “” A.R.S. § 28-728; Mathews ex rel. Mathews v.”
Rosenthal v. Cnty. of Pima, 791 P.2d 365 (Ariz. Ct. App. 1990). · cites it 5× “The argument both defies logic and is contrary to the express statutory language of A.R.S. §§ 28-728 and 28-811. Section 28-728 provides that a vehicle driven upon a roadway designated and signposted for one-way traffic is to be driven only in the direction designated.”
— Ariz. Rev. Stat. § 28-728(A) — 1 case
Franz v. State (Ariz. Ct. App. 2025). “” A.R.S. § 28-728; Mathews ex rel. Mathews v.”
— Ariz. Rev. Stat. § 28-728(B) — 1 case
Franz v. State (Ariz. Ct. App. 2025). “” A.R.S. § 28-728; Mathews ex rel. Mathews v.”
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