Nevada Car Idling Laws: Anywhere the Car Is Standing
Nevada prohibits it wherever the car is standing.
Nevada prohibits it wherever the car is standing.
Nevada prohibits leaving a motor vehicle standing unattended with the engine running, and its section names no place where that does not hold. Five states read this way, against 20 whose chapters apply to a road and not elsewhere and 9 where the offence needs the car to have been left unsecured. The section is quoted below with the sentence the reading rests on.
The Nevada chapter carries no scope provision narrowing this section to a road, unlike the 20 states whose chapters do.
NRS 484B.530, and the sentence it turns on
This is a theft provision rather than an environmental one, which is why a search for a Nevada idling law does not return it and why so much of what is written about it is written about a different statute. It sits in the vehicle code with the rules about stopping and standing, and it was put there to stop cars being driven away by somebody who did not own them.
The operative sentence is reproduced below rather than summarised, because everything that separates one state from the next in this reading sits inside it. The card carries the citation, the title the code gives the section, and the link the sentence was read from.
NRS 484B.530
AlwaysUnattended motor vehicle: Stopping engine, locking ignition and removing key.
The person driving or in charge of any motor vehicle, except a commercial vehicle loading or unloading goods shall not permit it to stand unattended without first stopping the engine, locking the ignition and removing the key.
- What it turns on Prohibited wherever the car is standing
- Exemptions written in 1
NRS Chapter 484B, Rules of the Road, Nevada Legislature, read September 23, 2026
The Nevada chapter carries no limit to a road
The Nevada chapter carries no scope provision narrowing this section to a road, unlike the 20 states whose chapters do.
A scope provision is where 20 of the fifty put the limit that a driveway question turns on, so its absence here is worth saying out loud rather than leaving a reader to assume one is there. Nothing in the chapter distinguishes a driveway from a street.

The one exemption written into the Nevada section
One exemption is written into the Nevada section, each quoted below from the sentence that creates it. An exemption narrows the rule it sits in, which makes it load bearing in exactly the way that rule is, so none of them is paraphrased.
a commercial vehicle loading or unloading
The person driving or in charge of any motor vehicle, except a commercial vehicle loading or unloading goods shall not permit it to stand unattended without first stopping the engine, locking the ignition and removing the key.
the sentence that creates it, read September 23, 2026
Nevada runs no emissions idling limit
Nevada runs no separate emissions idling limit, so there is nothing behind the results a search for an idling law returns. Only 16 states run one at all, and most are written for buses and for trucks above a weight rather than for a car.
The two are kept apart on this page for the same reason they are apart in the books. An unattended vehicle section sits in the vehicle code and exists to stop a car being taken. An idling limit is an air quality regulation, written by an environmental agency, aimed mostly at buses and at trucks above a weight, and enforced by somebody else. Only 16 states publish one at all, and 2 of those name the regulation without putting a figure where a reader can reach it.
The same question in the other forty nine
34 states prohibit leaving a car running unattended and 16 have no section for it. Of the 34, 9 turn on whether the car was left unsecured, 20 sit in a chapter that reaches a road and nothing else, and 5 apply wherever the car is standing.
The bar splits the fifty by what their section does, and the table beneath it puts the strictest reading first, which is not the order a reader would guess from a map of how cold it gets.
| State | What the section does | Citation | Turns on the lock | Separate idling limit |
|---|---|---|---|---|
| Kentucky | AlwaysProhibited wherever the car is standing | KRS 189.430 | No | No |
| Louisiana | AlwaysProhibited wherever the car is standing | La. R.S. 32:145 | No | No |
| Nevada | AlwaysProhibited wherever the car is standing | NRS 484B.530 | No | No |
| Utah | AlwaysProhibited wherever the car is standing | Utah Code 41-6a-1403 | No | No |
| Vermont | AlwaysProhibited wherever the car is standing | 23 V.S.A. § 1111 | No | Yes |
| Colorado | If unlockedOnly where the car was left unlocked or the key left in it | C.R.S. 42-4-1206 | Yes | No |
| Florida | If unlockedOnly where the car was left unlocked or the key left in it | Fla. Stat. § 316.1975 | Yes | No |
| Idaho | If unlockedOnly where the car was left unlocked or the key left in it | Idaho Code 49-602 | Yes | No |
| Illinois | If unlockedOnly where the car was left unlocked or the key left in it | 625 ILCS 5/11-1401 | Yes | Yes |
| Kansas | If unlockedOnly where the car was left unlocked or the key left in it | K.S.A. 8-1573 | Yes | No |
| Maryland | If unlockedOnly where the car was left unlocked or the key left in it | Md. Code Ann., Transp. 21-1101 | Yes | Yes |
| New Hampshire | If unlockedOnly where the car was left unlocked or the key left in it | RSA 265:72 | Yes | Yes |
| Ohio | If unlockedOnly where the car was left unlocked or the key left in it | Ohio Rev. Code 4511.661 | Yes | No |
| Texas | If unlockedOnly where the car was left unlocked or the key left in it | Tex. Transp. Code Sec. 545.404 | Yes | Yes |
| Alabama | HighwaysProhibited, but the chapter reaches highways only | Ala. Code Section 32-5A-50 | No | No |
| Alaska | HighwaysProhibited, but the chapter reaches highways only | 13 AAC 02.480 | No | No |
| California | HighwaysProhibited, but the chapter reaches highways only | Cal. Veh. Code 22515 | No | Yes |
| Delaware | HighwaysProhibited, but the chapter reaches highways only | 21 Del. C. § 4182 | No | Yes |
| Hawaii | HighwaysProhibited, but the chapter reaches highways only | HRS 291C-121 | No | No |
| Michigan | HighwaysProhibited, but the chapter reaches highways only | Mich. Comp. Laws 257.676 | No | No |
| Mississippi | HighwaysProhibited, but the chapter reaches highways only | Miss. Code Ann. 63-3-909 | No | No |
| Nebraska | HighwaysProhibited, but the chapter reaches highways only | Neb. Rev. Stat. 60-6,168 | No | No |
| New Jersey | HighwaysProhibited, but the chapter reaches highways only | N.J.S.A. 39:4-137 | No | Yes |
| New Mexico | HighwaysProhibited, but the chapter reaches highways only | NMSA 1978, Section 66-7-353 | No | No |
| New York | HighwaysProhibited, but the chapter reaches highways only | N.Y. Vehicle and Traffic Law § 1210 | No | Yes |
| Oklahoma | HighwaysProhibited, but the chapter reaches highways only | 47 O.S. 11-1101 | No | No |
| Oregon | HighwaysProhibited, but the chapter reaches highways only | ORS 811.585 | No | Yes |
| Pennsylvania | HighwaysProhibited, but the chapter reaches highways only | 75 Pa.C.S. § 3701 | No | Yes |
| South Carolina | HighwaysProhibited, but the chapter reaches highways only | S.C. Code Ann. SECTION 56-5-2570 | No | No |
| Tennessee | HighwaysProhibited, but the chapter reaches highways only | Tenn. Code Ann. 55-8-162 | No | No |
| Washington | HighwaysProhibited, but the chapter reaches highways only | RCW 46.61.600 | No | No |
| Massachusetts | Public waysProhibited, but the statute reaches a public way only | M.G.L. c. 90, § 13 | No | Yes |
| North Carolina | Public waysProhibited, but the statute reaches a public way only | N.C.G.S. § 20-163 | No | No |
| Rhode Island | Public waysProhibited, but the statute reaches a public way only | R.I. Gen. Laws § 31-22-1 | No | Yes |
| Arizona | No sectionNo unattended vehicle section in the code | No section | No | No |
| Arkansas | No sectionNo unattended vehicle section in the code | No section | No | No |
| Connecticut | No sectionNo unattended vehicle section in the code | No section | No | Yes |
| Georgia | No sectionNo unattended vehicle section in the code | No section | No | No |
| Indiana | No sectionNo unattended vehicle section in the code | No section | No | No |
| Iowa | No sectionNo unattended vehicle section in the code | Iowa Code 321.362 | No | No |
| Maine | No sectionNo unattended vehicle section in the code | No section | No | Yes |
| Minnesota | No sectionNo unattended vehicle section in the code | No section | No | No |
| Missouri | No sectionNo unattended vehicle section in the code | No section | No | No |
| Montana | No sectionNo unattended vehicle section in the code | Mont. Code Ann. 61-8-357 | No | No |
| North Dakota | No sectionNo unattended vehicle section in the code | No section | No | No |
| South Dakota | No sectionNo unattended vehicle section in the code | SDCL 32-30-5 | No | No |
| Virginia | No sectionNo unattended vehicle section in the code | No section | No | Yes |
| West Virginia | No sectionNo unattended vehicle section in the code | No section | No | No |
| Wisconsin | No sectionNo unattended vehicle section in the code | No section | No | No |
| Wyoming | No sectionNo unattended vehicle section in the code | W.S. 31-5-509 | No | No |
Nevada car idling questions
Car idling laws in every state
Nevada read September 23, 2026, off the state’s own published code: NRS 484B.530 and the chapter it sits in. Every quotation above is reproduced in the source’s own wording and links back to the document it was read from. Legislatures amend these between sessions and a repealed section stays in circulation for years afterwards, so the link beside a quote is what governs on the day. What Nevada wrote is what this page carries: the offence, the clause it turns on, how far the chapter reaches, what the legislature exempted, and the sentence it set.