Ohio Emergency Vehicle Light State Statutes

Ohio generally prohibits flashing lights on motor vehicles unless a specific exception applies. ORC 4513.17(C)(1) allows turn signals and hazard-related flashing, while later divisions create exceptions for public safety, emergency, towing, maintenance, farm, funeral, emergency-management and other vehicles. Red and red-and-white are generally reserved for public safety vehicles, emergency-management vehicles and school buses. Blue is primarily restricted to on-duty sworn law enforcement, but Ohio also has a narrow separate coroner exception in ORC 4513.171. Purple is expressly allowed for funeral hearses and funeral escort vehicles, and amber is the principal warning color for many work and roadside uses.

Ohio warning-light rules by vehicle and industry type

Vehicle or industry type	Permitted or required colors	Core rule or limitation	Statute or authority
Police and law enforcement	Blue, blue/white, red, red/white	Blue is limited by ORC 4513.17(D)(2) to on-duty sworn law-enforcement personnel operating a public safety vehicle.	ORC 4513.17; ORC 4511.01
Fire	Red, red/white; amber only when the vehicle also qualifies for the amber exception	Fire-department vehicles are public safety vehicles. Volunteer fire POV status depends on the statutory identification and emergency-response conditions.	ORC 4511.01; ORC 4513.17
EMS and ambulance	Red, red/white; amber only when separately qualifying as an emergency vehicle	Public safety vehicle status includes specified ambulances and qualifying nontransport EMS vehicles.	ORC 4511.01; ORC 4513.17
Volunteer responder and POV	Red, red/white when statutory conditions are met	A qualifying volunteer rescue or fire vehicle must be properly identified and used under the conditions in ORC 4511.01(E)(3) or (E)(4). Blue is not authorized by that status.	ORC 4511.01; ORC 4513.17
Tow and road service	Amber	Amber applies while servicing or towing a disabled vehicle for the special purpose that necessitates the warning light.	ORC 4513.17; ORC 4511.01
Construction and maintenance	Amber	Highway maintenance vehicles and similar state or local equipment may display amber for the special purpose requiring it.	ORC 4513.17; ORC 4511.01
Utility	Amber when the vehicle fits the road-service or emergency-vehicle definitions	Utility repair vehicles are included in the road-service definition; activation remains tied to the qualifying special purpose.	ORC 4513.17; ORC 4511.01
Pilot and escort	Amber	Oversize-load private escorts are required by ODOT Special Hauling Permit conditions to have roof-mounted amber flashing or rotating lights.	ODOT Form OS-1A
Private security	No specific statewide warning-light authorization located	Private security is not named as a special warning-light class in ORC 4513.17. Broader flashing-light and color rules still apply on public streets and highways.	ORC 4513.17; OAC 4501:2-1-09
Coroner, deputy coroner, investigator	Red or blue, plus siren, under narrow conditions	May use the equipment only when responding to a fatality or fatal crash and only where stopped traffic impedes arrival.	ORC 4513.171
Funeral hearse and funeral escort	Purple or amber	Permitted when used on a street or highway for the special purpose necessitating the lights.	ORC 4513.17

What is the difference between a public safety vehicle and an emergency vehicle in Ohio?

Ohio uses two overlapping definitions, and they do not produce identical lighting rights. A public safety vehicle under ORC 4511.01(E) includes specified ambulances, law-enforcement vehicles, qualifying volunteer rescue and fire vehicles, fire-department vehicles, and certain motor-carrier enforcement vehicles. That status matters to the red-light exception in ORC 4513.17(D)(1). An emergency vehicle under ORC 4511.01(D) is defined separately and includes identified emergency vehicles of municipal, township or county departments or public-utility corporations, plus vehicles commandeered by police. Emergency-vehicle status matters to the amber exception in ORC 4513.17(C)(2)(a). A vehicle can satisfy both definitions, but one status should not be assumed from the other.

Police, fire, EMS, and volunteer responder lights

Ohio authorizes red warning lights for qualifying public safety vehicles under ORC 4513.17(D)(1). Police vehicles fit the public-safety definition through ORC 4511.01(E)(2); fire-department vehicles through (E)(4); and ambulances through (E)(1). Volunteer rescue and volunteer fire vehicles require the statutory identification and duty conditions in (E)(3) or (E)(4). Blue is different: ORC 4513.17(D)(2) limits the general blue-light exception to a public law-enforcement officer, or another person sworn to enforce Ohio criminal and traffic laws, operating a public safety vehicle on duty. For equipment selection, Ohio ambulance and volunteer firefighter POV users should verify the exact vehicle classification before choosing colors or siren equipment.

What special rule applies to coroner vehicles in Ohio?

Ohio gives coroners a narrow exception outside the general law-enforcement blue-light rule. ORC 4513.171 allows a motor vehicle operated by a coroner, deputy coroner, or coroner investigator to be equipped with a flashing, oscillating, or rotating red or blue light and a siren, whistle, or bell audible from at least 500 feet. The light and audible signal may be used only when responding to a fatality or fatal motor-vehicle accident on a street or highway, and only at locations where stopped traffic impedes the vehicle from reaching the scene. This special section is important because a summary that says blue lights are available only to law enforcement would be incomplete in Ohio.

Tow trucks, road service, construction, maintenance, and utility vehicles

Ohio uses amber as the main roadside and work-vehicle warning color. ORC 4513.17(C)(2)(a) covers road-service vehicles servicing or towing a disabled vehicle, highway-maintenance vehicles, certain similar state and local equipment, stationary waste-collection vehicles actively collecting roadside material, rural-mail vehicles, and vehicles covered by ORC 4513.182. The statute ties the amber display to the special purpose that necessitates the lights. ORC 4511.01(JJJ) includes wreckers and utility-repair vehicles in the road-service definition, while ORC 4511.01(QQQ) defines highway-maintenance vehicles. Ohio Tow truck lights, Construction and utility vehicle lighting therefore need to be matched to the vehicle definition and the work being performed, rather than treated as a blanket amber permission for all driving.

Pilot cars, escort vehicles, and private security

Ohio oversize-load escort lighting comes from the hauling-permit system. ODOT Form OS-1A requires a private escort vehicle used for a Special Hauling Permit move to carry roof-mounted amber flashing or rotating light or lights, an OVERSIZE LOAD sign, and radio communication with the permitted vehicle. Farm escorts are different and receive an amber exception directly in ORC 4513.17(C)(2)(c). For private security, no statewide Ohio statute specifically authorizing a dedicated warning-light color for security vehicles was located. ORC 4513.17(C)(1) still supplies the general flashing-light prohibition on public streets and highways, and OAC 4501:2-1-09(C) separately regulates ordinary front and rear lamp colors while listing exceptions. Ohio Pilot and escort vehicle lighting should follow the applicable permit conditions.

Farm machinery and animal-drawn vehicle lighting

Ohio has detailed agricultural lighting rules in addition to the general amber farm exception. ORC 4513.111 requires older specified vehicles and tractors to carry particular lamps and reflectors, and model-year 2002 or later farm machinery must meet the applicable ANSI/ASAE S279.10 lighting and marking standard. Qualifying farm machinery designed for 25 mph or more, and slow-moving vehicles, may display a rear red flashing light visible from at least 1,000 feet. ORC 4513.114 separately requires most animal-drawn vehicles to carry a white front lamp, red rear lamps or reflectors, a yellow flashing lamp visible at least 1,000 feet, and specified rear marking. A narrow agricultural-equipment exception replaces those lamp requirements with the required SMV emblem when its conditions are met.

Red and blue warning lights in Ohio

Ohio restricts red and blue by express prohibition and specific exceptions. ORC 4513.17(D)(1) prohibits vehicles in a public street or highway right-of-way from displaying the listed flashing or rotating red and red-and-white configurations unless the vehicle is a public safety vehicle, qualifying emergency-management vehicle, or school bus. Division (D)(2) separately restricts blue and blue-and-white to on-duty sworn law enforcement operating a public safety vehicle. ORC 4513.171 then creates the limited coroner exception described above. Fire, EMS, and volunteer-responder status does not itself authorize blue under ORC 4513.17(D)(2). Civilians should not treat possession of red or blue equipment as permission to display it on public roads. For broader non-emergency vehicle context, see ETD’s guide to emergency and warning light use by civilians.

Amber, yellow, and white warning lights in Ohio

Ohio repeatedly assigns amber to work, roadside, farm, funeral, mail, preschool-transport and emergency-management uses in ORC 4513.17(C)(2). ORC 4513.182 requires two amber flashing lamps on a roof bar, together with the prescribed caution-children sign, when covered nursery-school, kindergarten or child-care vehicles are transporting preschool children. Yellow has a separate role for the flashing lamp required on most animal-drawn vehicles under ORC 4513.114. White is not a general standalone flashing-light permission in ORC 4513.17. Ohio Administrative Code 4501:2-1-09(C) sets ordinary front lamps to white or amber and rear lamps to red, subject to its listed exceptions for warning lamps and special vehicle classes.

Are green and purple warning lights legal in Ohio?

Ohio expressly authorizes purple for funeral hearses and funeral escort vehicles, but the reviewed statewide warning-light provisions do not create a comparable green-light class. ORC 4513.17(C)(2)(d) permits a funeral hearse or funeral escort vehicle to display flashing, oscillating, or rotating purple or amber when used for the special purpose necessitating those lights. For green, no specific statewide authorization was located for the nine core industries covered by this guide. That does not convert statutory silence into permission. A person considering green warning lights should verify the planned use with the authority having jurisdiction and consider both the flashing-light rule and the administrative color rule.

Sirens and audible warning devices

Ohio generally prohibits ordinary motor vehicles from being equipped with or using a siren, whistle, or bell. ORC 4513.21 requires every emergency vehicle to have an approved siren, whistle, or bell audible from at least 500 feet and limits its use to emergency response or immediate pursuit as described in the statute. Ohio Administrative Code 4501:2-1-17 supplies equipment standards, including the SAE J1849 requirement for sirens on covered vehicles placed in service on or after December 1, 2007. The coroner statute, ORC 4513.171, creates a separate limited authorization for coroner vehicles. A cop siren should therefore not be installed on an ordinary vehicle on the assumption that never activating it avoids the equipment prohibition.

Ohio's Move Over law for stationary vehicles

Ohio requires drivers approaching specified stationary vehicles that are displaying the prescribed visual signals to move over when safely possible or otherwise slow and proceed with due caution. ORC 4511.213 currently covers stationary public safety vehicles, emergency vehicles, road-service vehicles, waste-collection vehicles, specified PUCO inspection vehicles, and highway-maintenance vehicles. A violation is generally a minor misdemeanor, but the offense level increases with qualifying prior traffic offenses within one year, and the statute requires a fine of twice the usual amount for the violation. The offense is designated strict liability. ETD also maintains a State-by-State Move Over Laws resource for comparison.

Yielding to an approaching public safety or coroner vehicle

Ohio separately regulates an approaching public safety or qualifying coroner vehicle in ORC 4511.45. When the vehicle is displaying at least one flashing, rotating, or oscillating light visible from 500 feet to the front and the driver is sounding the required audible signal, other motorists must yield, move as close as practical to the right edge or curb clear of an intersection, and stop until the vehicle passes unless directed otherwise by police. The coroner provision applies only when the coroner vehicle is being operated in accordance with ORC 4513.171. A first violation is a fourth-degree misdemeanor, with higher misdemeanor levels for repeat offenses within the statutory period.

Penalties for illegal emergency lights in Ohio

Ohio classifies a violation of ORC 4513.17 as a minor misdemeanor. A violation of ORC 4513.21 is also a minor misdemeanor, and ORC 4513.171(B) assigns the same classification to a coroner-vehicle violation. Agricultural and animal-drawn lighting provisions also contain minor-misdemeanor penalties. Driver-conduct offenses are separate and can be more serious: the stationary Move Over offense escalates from a minor misdemeanor based on prior predicate offenses, while a first failure-to-yield offense under ORC 4511.45 is a fourth-degree misdemeanor. Because multiple sections can apply to the same installation or use, the penalty analysis should match the exact equipment, vehicle classification, and conduct involved.

Permits, authorization, and Ohio State Highway Patrol contact

Ohio does not have one general permit that lets a private vehicle display emergency warning lights. Authorization usually comes from the statutory vehicle classification and operating conditions. Oversize-load private escorts are the major permit-based example in this guide because ODOT Special Hauling Permit conditions control their amber-light requirement. For public verification, the Ohio State Highway Patrol statewide/general contact is 614-466-2660. Ohio also publishes #677 for motorists to contact the Patrol from a mobile phone. Neither contact replaces the controlling statute, agency rule, permit, employer policy, or local requirement applicable to a specific vehicle.

Pending Ohio legislation that could change these rules

Two pending 136th General Assembly proposals are directly relevant as of August 25, 2026. House Bill 367 would amend ORC 4511.01, 4511.213, 4511.45, 4513.17, and 4513.21 to create rules for dedicated organ recovery vehicles, including flashing amber lights and sirens if statutory conditions are met. It was introduced in June 2025 and referred to the House Transportation Committee. Senate Bill 16 would expand the Move Over law to stationary vehicles in distress and require a below-posted-limit slowdown when a safe lane change cannot be made. It has passed the Senate but had not become current law by the review date. These proposals should not be treated as present Ohio law unless enacted and effective.

How Ohio compares with bordering states

Ohio shares borders with Pennsylvania, West Virginia, Kentucky, Indiana and Michigan. Warning-light colors and volunteer, tow, escort and civilian rules can change at the state line, so a vehicle operating across borders should be checked against each state’s current law rather than applying Ohio’s color permissions elsewhere. Indiana currently resolves to ETD’s legacy Indiana statute URL, while the other listed neighboring guides resolve to their active state-guide destinations. For national navigation, use the State Statutes Guide.

Frequently asked questions

What color emergency lights are legal in Ohio?

Ohio uses different colors by vehicle status and purpose. Amber is common for work and roadside vehicles; red and red/white are generally reserved for public safety and certain other statutory classes; blue is primarily law enforcement with a narrow coroner exception; purple is expressly permitted for funeral hearses and escorts.

Can civilians have red or blue flashing lights on their vehicle in Ohio?

Ordinary civilian vehicles do not receive a general red- or blue-light exception under ORC 4513.17(D). The statute limits those displays in public street and highway rights-of-way to the listed vehicle and operator classes.

Who can use blue lights in Ohio?

Ohio generally limits blue and blue/white warning lights to on-duty sworn law enforcement operating a public safety vehicle, while ORC 4513.171 separately permits qualifying coroner vehicles to use red or blue under narrow fatality-response conditions.

What color lights can Ohio tow trucks use?

Ohio road-service vehicles servicing or towing a disabled vehicle may display flashing, oscillating, or rotating amber under ORC 4513.17(C)(2)(a) when used for the special purpose necessitating the lights.

Are purple lights legal in Ohio?

Yes. ORC 4513.17(C)(2)(d) permits funeral hearses and funeral escort vehicles to display purple or amber warning lights when used for the special purpose necessitating them.

What is the penalty for illegal emergency lights in Ohio?

A violation of ORC 4513.17 is a minor misdemeanor. Separate offenses, including siren violations, Move Over violations and failure to yield to an approaching public safety or coroner vehicle, have their own classifications and penalty rules.

Equipment for Ohio fleets

After confirming the vehicle classification and lawful colors, Ohio fleet operators can compare amber strobe lights for qualifying work and roadside uses, police lights for law enforcement, fire truck lights for fire apparatus, and broader strobe lights and LED warning lights by mounting format and specification. Product availability does not establish that a color or lighting configuration is legal for a particular vehicle or use.

About this guide

Author: Chris Dallmann, Founder, Extreme Tactical Dynamics. Chris has supplied emergency, municipal, and work-vehicle lighting to agencies and fleets since 2005. About the author.

Reviewed by: ETD Regulatory Compliance Team

Last updated: August 2026

Last reviewed: August 2026

Disclaimer: This guide is provided by Extreme Tactical Dynamics as a general informational resource only and is not legal advice. Statutes, administrative rules, court interpretations, permit conditions, agency requirements, employer policies, local ordinances, and rules for private property may impose additional or different requirements. Verify the current Ohio Revised Code, Ohio Administrative Code, applicable permit terms, and any fact-specific requirement with the appropriate authority or qualified legal counsel before purchasing, installing, or operating warning-light or siren equipment.