Kentucky Revised Statutes

Ky. Rev. Stat. § 189.337 (2026)

Traffic control signs, uniform standards to be prescribed -- Sign to

✓ current as of May 2026
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conform -- Prohibited activities. (1) As used in this chapter, "official traffic control devices" shall mean all signs, signals, markings, and devices placed or erected by authority of a public body or official having jurisdiction, for the purpose of regulating, warning, or dividing traffic. (2) The Department of Highways shall promulgate and adopt a manual of standards and specifications for a uniform system of official traffic control devices for use upon all roads and streets open to public travel. The manual and its future revisions and supplements shall be applicable to all roads and streets under the control of the Department of Highways or any county or incorporated city. (3) All traffic control devices installed on any road or street after the adoption of the manual shall conform to the provisions thereof. Satisfactory operating traffic devices in use on the date of the adoption of the manual may continue to be used; however, if such devices are replaced or revised, they must be replaced or revised in conformance with the provisions of the manual. (4) No person shall place, maintain, or display on or in the view of any highway any authorized sign, signal, marking, or device which resembles, purports to be, or is an imitation of an official traffic control device or signal. (5) A person shall not attempt to or in fact alter, twist, deface, injure, knock down, or interfere with the effective operation of any official traffic control device or signal, or any part thereof. Effective: July 12, 2006 History: Amended 2006 Ky. Acts ch. 173, sec. 15, effective July 12, 2006. -- Amended 1978 Ky. Acts ch. 46, sec. 2, effective June 17, 1978. -- Amended 1974 Ky. Acts ch. 74, Art. IV, sec. 20(1). -- Created 1966 Ky. Acts ch. 46, secs. 1 to 3.

Notes of Decisions
Cited in 8 cases (4 in the last 5 years), 2003–2025 · leading case: Phelps v. Louisville Water Co., 103 S.W.3d 46 (Ky. 2003).
Phelps v. Louisville Water Co., 103 S.W.3d 46 (Ky. 2003). · cites it 2× “While this may be the maximum fine for a failure to properly follow the Department of Highways' "manual of standards and specifications for a uniform system of official traffic control devices," it is not the only penalty to which LWC is subject when its gross negligence in…”
Bolin v. Davis, 283 S.W.3d 752 (Ky. Ct. App. 2009). “KRS 189.337(2) requires the Department of Highways to "promulgate and adopt a manual of standards and specifications” which "shall be applicable to all roads and streets under the control of the Department of Highways or any county or incorporated city.”
Commonwealth of Kentucky v. Kevin Charles Curry (Ky. 2020). · cites it 4× “13 KRS 189.337 defines “official traffic control devices” as “all signs, signals, markings, and devices placed or erected by authority of a public body or official having jurisdiction for the purpose of regulating, warning or dividing traffic.”
Commonwealth of Kentucky v. Kevin Charles Curry (Ky. 2020). · cites it 4× “13 KRS 189.337 defines “official traffic control devices” as “all signs, signals, markings, and devices placed or erected by authority of a public body or official having jurisdiction for the purpose of regulating, warning or dividing traffic.”
Commonwealth of Kentucky Transp. Cabinet v. Est. of Zavier Froeber (Ky. Ct. App. 2023). · cites it 3× “The hearing officer found that the future earning capacity 2 KRS 189.337; 603 Kentucky Administrative Regulations (“KAR”) 5:050 (“This administrative regulation establishes that the MUTCD shall be the uniform system of traffic control devices in Kentucky.”
Est. of Emily Snow v. Commonwealth of Kentucky, Transp. Cabinet, Dep't of Highways (Ky. Ct. App. 2022). “KRS 189.337(2) requires the Department of Highways to “promulgate and adopt a manual of standards” for control of traffic devices.”
Paducah & Louisville Ry., Inc. v. Kenneth Minton, Individually & as Pers. Rep. of the Est. of Phyllis J. Minton (Ky. Ct. App. 2025). “The MUTCD provides that traffic control devices, 11 KRS 189.337 requires the Department of Highways to adopt a manual governing traffic control devices; the Transportation Cabinet has promulgated 603 Kentucky Administrative Regulation (KAR) 5:050 §2, which adopts the MUTCD as…”
Kenneth Minton, Individually & as Pers. Rep. of the Est. of Phyllis J. Minton v. Paducah & Louisville Ry., Inc. (Ky. Ct. App. 2025). “The MUTCD provides that traffic control devices, 11 KRS 189.337 requires the Department of Highways to adopt a manual governing traffic control devices; the Transportation Cabinet has promulgated 603 Kentucky Administrative Regulation (KAR) 5:050 §2, which adopts the MUTCD as…”
— Ky. Rev. Stat. § 189.337(1) — 2 cases
Commonwealth of Kentucky v. Kevin Charles Curry (Ky. 2020). “13 KRS 189.337 defines “official traffic control devices” as “all signs, signals, markings, and devices placed or erected by authority of a public body or official having jurisdiction for the purpose of regulating, warning or dividing traffic.”
Commonwealth of Kentucky v. Kevin Charles Curry (Ky. 2020). “13 KRS 189.337 defines “official traffic control devices” as “all signs, signals, markings, and devices placed or erected by authority of a public body or official having jurisdiction for the purpose of regulating, warning or dividing traffic.”
— Ky. Rev. Stat. § 189.337(2) — 3 cases
Bolin v. Davis, 283 S.W.3d 752 (Ky. Ct. App. 2009). “KRS 189.337(2) requires the Department of Highways to "promulgate and adopt a manual of standards and specifications” which "shall be applicable to all roads and streets under the control of the Department of Highways or any county or incorporated city.”
Commonwealth of Kentucky Transp. Cabinet v. Est. of Zavier Froeber (Ky. Ct. App. 2023). “The hearing officer found that the future earning capacity 2 KRS 189.337; 603 Kentucky Administrative Regulations (“KAR”) 5:050 (“This administrative regulation establishes that the MUTCD shall be the uniform system of traffic control devices in Kentucky.”
Est. of Emily Snow v. Commonwealth of Kentucky, Transp. Cabinet, Dep't of Highways (Ky. Ct. App. 2022). “KRS 189.337(2) requires the Department of Highways to “promulgate and adopt a manual of standards” for control of traffic devices.”
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