Idaho Code
Idaho Code § 49-949 (2026)
Requirement as to fender or covers over all wheels on motor vehicles.
✓ current as of May 2026
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Requirement as to fender or covers over all wheels on motor vehicles.
(1) It shall be unlawful for any person to operate or move or any owner to permit to be operated or moved, any motor vehicle, truck, bus, semitrailer or trailer, upon any highway without having the vehicle equipped with fenders or covers which may include flaps or splash aprons, over and to the rear of wheels, as follows:
(a) On the rear wheels of every truck equipped with a body, bus, trailer or semitrailer the fenders or covers shall extend in full width from a point above and forward of the center of the tires over and to the rear of the wheels to a point that is not more than ten (10) inches above the surface of the highway when the vehicle is empty;
(b) Behind the rear wheels of every truck not equipped with a body the fenders or covers shall extend downward in full width from a point not lower than halfway between the center of the wheels and the top of the tires on the wheels to a point that is not more than ten (10) inches above the surface of the highway when the vehicle is empty;
(c) Behind all wheels of every motor vehicle other than trucks, buses, semitrailers, or trailers, the fenders or covers shall extend in full width from a point above and forward of the center of the tire over and to the rear of the wheel to a point that is not more than twenty (20) inches above the surface of the highway, unless the bumper is a factory built bumper fastened directly to the frame of the vehicle pursuant to factory installation requirements;
(d) Fenders or covers are not required on any modified American-made pre-1935 vehicle, or any identifiable vintage or replica thereof that is titled as a later assembled vehicle or replica and is used for show and pleasure use when such vehicle is used and driven only during fair weather on well-maintained hard-surfaced roads.
(2) Fenders or covers, as used in subsection (1) of this section, shall be deemed to be of sufficient size and construction as to comply with those requirements if constructed as follows:
(a) When measured on the cross sections of the tread of the wheel or on the combined cross sections of the treads of multiple wheels, the fender or cover extends at least to each side of the width of the tire or of the combined width of the multiple tires, as the case may be;
(b) The fender or cover is constructed as to be capable at all times of arresting and deflecting dirt, mud, water, or other substance as may be picked up and carried by wheels;
(c) For school buses if the body extension behind the rear wheels exceeds five (5) feet.
Notes of Decisions
Cited in 7
cases (4 in the last 5 years), 1997–2023 · leading case: State v. Kellis, 932 P.2d 358 (Idaho Ct. App. 1997).
State v. Kellis, 932 P.2d 358 (Idaho Ct. App. 1997). “Suppression Issues Kellis asserts on appeal that evidence against him should have been suppressed.”
State v. Stonecypher, 508 P.3d 1230 (Idaho 2022). “FACTUAL AND PROCEDURAL BACKGROUND In May 2020, Idaho State Police Corporal Seth Green observed Stonecypher driving a lifted pickup truck east on I-90 in Kootenai County without mudflaps as required by Idaho Code section 49-949. The pickup also lacked license plates, and a…”
State v. Jodie Marie Edwards, 346 P.3d 1058 (Idaho Ct. App. 2015). “The statute sets forth different rules for different categories of vehicles: (1)It shall be unlawful for any person to operate or move or any owner to permit to be operated or moved, any motor vehicle, truck, bus, semitrailer or trailer, upon any highway without having the…”
State v. Karie Thomas Cooke (Idaho Ct. App. 2015). “Cooke was stopped for driving a vehicle with noncompliant wheel covers in violation of I.C. § 49-949. 1 Specifically, the officer noticed that the wheel covers failed to cover the entire 1 Idaho Code Section 49-949 provides, in pertinent part: (1) It shall be unlawful for any…”
State v. Connery (Idaho Ct. App. 2022). “§ 49-937 and I.C. § 49-949 based on his modified muffler and failure to equip the rear wheels of the truck with wheel fenders or covers and, therefore, the initial stop was justified.”
State v. Harrell (Idaho 2023). “Both cases involve the same incident; therefore, we incorporate here the facts described in our decision in Stonecypher: In May 2020, Idaho State Police Corporal Seth Green observed Stonecypher driving a lifted pickup truck east on I-90 in Kootenai County without mudflaps as…”
State v. Harrell (Idaho 2023). “Both cases involve the same incident; therefore, we incorporate here the facts described in our decision in Stonecypher: In May 2020, Idaho State Police Corporal Seth Green observed Stonecypher driving a lifted pickup truck east on I-90 in Kootenai County without mudflaps as…”
— Idaho Code § 49-949(1) — 1 case
State v. Jodie Marie Edwards, 346 P.3d 1058 (Idaho Ct. App. 2015). “The statute sets forth different rules for different categories of vehicles: (1)It shall be unlawful for any person to operate or move or any owner to permit to be operated or moved, any motor vehicle, truck, bus, semitrailer or trailer, upon any highway without having the…”
— Idaho Code § 49-949(1)(a) — 1 case
State v. Karie Thomas Cooke (Idaho Ct. App. 2015). “Cooke was stopped for driving a vehicle with noncompliant wheel covers in violation of I.C. § 49-949. 1 Specifically, the officer noticed that the wheel covers failed to cover the entire 1 Idaho Code Section 49-949 provides, in pertinent part: (1) It shall be unlawful for any…”
— Idaho Code § 49-949(1)(c) — 1 case
State v. Karie Thomas Cooke (Idaho Ct. App. 2015). “Cooke was stopped for driving a vehicle with noncompliant wheel covers in violation of I.C. § 49-949. 1 Specifically, the officer noticed that the wheel covers failed to cover the entire 1 Idaho Code Section 49-949 provides, in pertinent part: (1) It shall be unlawful for any…”
— Idaho Code § 49-949(2) — 1 case
State v. Jodie Marie Edwards, 346 P.3d 1058 (Idaho Ct. App. 2015). “The statute sets forth different rules for different categories of vehicles: (1)It shall be unlawful for any person to operate or move or any owner to permit to be operated or moved, any motor vehicle, truck, bus, semitrailer or trailer, upon any highway without having the…”
— Idaho Code § 49-949(2)(b) — 2 cases
State v. Jodie Marie Edwards, 346 P.3d 1058 (Idaho Ct. App. 2015). “The statute sets forth different rules for different categories of vehicles: (1)It shall be unlawful for any person to operate or move or any owner to permit to be operated or moved, any motor vehicle, truck, bus, semitrailer or trailer, upon any highway without having the…”
State v. Karie Thomas Cooke (Idaho Ct. App. 2015). “Cooke was stopped for driving a vehicle with noncompliant wheel covers in violation of I.C. § 49-949. 1 Specifically, the officer noticed that the wheel covers failed to cover the entire 1 Idaho Code Section 49-949 provides, in pertinent part: (1) It shall be unlawful for any…”
— Idaho Code § 49-949(l)(a) — 1 case
State v. Jodie Marie Edwards, 346 P.3d 1058 (Idaho Ct. App. 2015). “The statute sets forth different rules for different categories of vehicles: (1)It shall be unlawful for any person to operate or move or any owner to permit to be operated or moved, any motor vehicle, truck, bus, semitrailer or trailer, upon any highway without having the…”
— Idaho Code § 49-949(l)(c) — 1 case
State v. Jodie Marie Edwards, 346 P.3d 1058 (Idaho Ct. App. 2015). “The statute sets forth different rules for different categories of vehicles: (1)It shall be unlawful for any person to operate or move or any owner to permit to be operated or moved, any motor vehicle, truck, bus, semitrailer or trailer, upon any highway without having the…”
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