In Louisiana, USA it's widely understood (unofficially) that one can travel 5mph above the speed limit without receiving a speeding ticket.

Does this rule apply when traveling the rest of the States?

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    See: travel.stackexchange.com/a/36573/1893 Dec 22, 2014 at 2:21
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    I remember being taught in drivers ed in Ohio that you'd generally be fine a 5 over but to remember that your speedo was +/- 3. You could be doing 8 over and was it really worth a $150 ticket? That was 15 years ago. As a mature adult I've decided no its not worth $150 for 8 over, so I make sure I'm doing at least 10 over and getting the most for my money!
    – Freiheit
    Dec 22, 2014 at 18:09
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    @Bakuriu Suppose the blue line is the car's path. The GPS only measures the position from time to time, so it really sees the red line. The red line is shorter than the blue line, so GPS measures lower speed. Spehro: less distance in same time = lower speed.
    – Szabolcs
    Dec 22, 2014 at 18:21
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    Of course the GPS could be smart and do a higher-order interpolation between the points, which would reduce this effect. The speedometer could also show a higher-than-true speed. I'm not claiming these are not so. I don't know.
    – Szabolcs
    Dec 22, 2014 at 18:36
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    @SpehroPefhany Less distance in the same time is a lower speed
    – Izkata
    Dec 22, 2014 at 19:47

11 Answers 11


Getting stopped for going only 5 MPH over is unlikely anywhere in the US. Of course it can still happen if something else is suspicious, e.g. very dark tinted windows (which may also be illegal), a very unusual looking vehicle, etc.

5 MPH over could be a discrepancy in measurement equipment, and officers do not want to go to court to explain when and how their radar gun was calibrated, etc. If they see you doing 20 over and write you a ticket for 10 or 15, it's less hassle for them. This cuts both ways: if your speedometer is slightly miscalibrated (entirely possible), you might be doing 10 over when you think you're doing 5 over.

But there is no such "rule" that lets you drive over the limit. If you believe the speed limit is too low, it is incumbent upon you as a member of a democracy to try to get the limit increased.

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    A speedometer is allowed to read slightly high, but it's illegal for it to read low. So the tolerances are set that most people are driving slightly slower than they think they are.
    – hobbs
    Dec 22, 2014 at 19:12
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    Anecdotal, a friend got pulled over for 56 in a 55 years ago in Ohio. I suspect that he looked suspicious in some manner as that's otherwise unheard of... Dec 22, 2014 at 21:04
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    Cops sometimes use traffic offenses as an excuse to pull over a car if they want to check it out (drivers license, warrants, maybe see if they smell drugs, that sort of thing). If you're pulled over for going a tiny bit over the limit, that's probably what's going on -- they wanted to pull you over anyway, the speeding is just an excuse.
    – cpast
    Dec 22, 2014 at 22:17
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    I've been personally ticketed for 73 in a 70. It's not common, but it happens. :( Dec 23, 2014 at 2:05
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    @hobbs: That's interesting, I didn't know. However, a slightly under-reading speedometer is unlikely to correct its behavior in accordance with the law. One way it happens is when a car is outfitted with slightly larger tires than it originally had. For example, replacing 205/16 R55 tires with R60 ones (just one size taller) means you'll be going 65 when your speedometer says 60. Dec 23, 2014 at 2:16

In New York you definitely MAY be pulled over for exceeding the speed limit at all. In other words, if a cop wants to pull you over (to fulfill a ticket quota etc) he can use the fact that you exceeded the speed limit by 1 mph.

Now, having driven across the United States, I would have two observations which may illuminate how cops decide whether or not to pull you over. 1) If you have an out-of-state license plate, you will definitely draw attention, so I would keep that in mind. I was once pulled over in Kansas for 'not maintaining my lane' (which was absolutely false) while in a vehicle with California plates. The trooper was simply curious about what I was doing etc, and I received no citation or ticket. 2) The important thing to keep in mind is 'flow of traffic'. If the speed limit is 55, but everyone is doing 65+, then it is safer (and less likely to attract police attention) to go the same speed as everyone else. Likewise, if you are near a busy exit on a highway and traffic slows to a crawl but you decide you want to maintain a speed much closer to the limit by weaving in and out of traffic, that will certainly grab attention.

So in my experience (and from advice my father, a judge, has given me) I would say the number one 'rule' when deciding how to drive on a roadway is to not stand out. If you are the only car on the road at 2 am, make sure you follow every law to the 'T'. If a cop is waiting in a speed trap at 2 am, s/he will most likely use any excuse to pull you over, if only to break up the tedium of their shift. If you wish to exceed the speed limit, 5 mph over generally won't attract any attention on a highway, but as Green Chili mentioned, it depends on where you are speeding.

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    I want to upvote this so bad, but I have such a hard time with "definitely may". :-)
    – corsiKa
    Dec 22, 2014 at 19:11
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    Getting back into town at 2-3am on a couple occasions I've gotten police escorts from one end of town all the way to my home neighborhood. I was pretty much the only thing on the road... :-) Dec 22, 2014 at 21:07
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    Also worth noting that if you have a distinctive car you're more likely to be pulled over. (I've been pulled over while following the flow of traffic, and the officer said "you're the only yellow car on the road." Apparently it's easier to make sure you got the right car)
    – Rick
    Dec 23, 2014 at 13:48
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    'flow of traffic' is too accurate. I was pulled over in AZ for going 55 in a 55 zone, but everyone else was going 65+. It wasn't for speeding per-se, but I've forgotten the exact name of the violation.
    – BlueBuddy
    Dec 23, 2014 at 17:55
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    In my part of NY (Upstate) it's not unlikely for you to be pulled over in a school zone for any excess whatsoever. Dec 23, 2014 at 21:00

On the highway, doubtful, but if you are in a residential area, or school zone, most likely yes.

Here in Fort Worth, Texas cops will pull you over for going 5 over the limit in a school zone in a heart beat. Anywhere else though, not really. I've been passed by casual cops when I was doing 8 or 9 over the limit. I've even passed cops doing the same speed. Just really depends on the area also. Certain smaller towns might get their money from traffic tickets, so they will pull you over for no reason, whereas bigger cities won't care.

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    A big one is the playground zones that are also school zones. They write you two tickets :O
    – corsiKa
    Dec 22, 2014 at 19:10
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    Agreed with the school zone mention. I had a friend that was pulled over for 17 mph in a 15 mph school zone.
    – reirab
    Dec 22, 2014 at 21:43
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    Smaller towns is a good point, especially if an area has lots of out-of-town people on vacation (there are beach towns I've been to where cops are notorious for giving tickets whenever they can).
    – cpast
    Dec 22, 2014 at 22:20
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    The school zone is a big one, and not only in Ft. Worth. Austin is the same, so is Oklahoma City. Dec 23, 2014 at 4:29
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    This is the only answer that considers that people drive on roads other than highways. Dec 24, 2014 at 12:46


Utah just increased some of its speed limits from 65 to 70 mph. The highway patrol confirmed that back when the speed limit was 65, they gave a 5 mph buffer to drivers before ticketing.

But with the new 70 mph speed limit, they're changing the buffer to be 1-3 mph.

From a recent news covering:

But Col. Danny Fuhr, superintendent of the Highway Patrol, has vowed strict enforcement of the new 70 mph limit. He said people may not get tickets if they travel 1 to 3 mph over it, but will be targeted if they travel 75 in a 70-mph zone.

So going 75 will get you a ticket nowadays.

  • Interesting, it's more lenient here in Louisiana. We just had a 100 mile stretch of interstate that I drive weekly raised to 75 mph. The state police released a notice that they would be ticketing for 6 mph over. Dec 22, 2014 at 19:53
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    Yeah, this buffer definitely varies depending on location. We've had 70 mph Interstates for many years now in TN and I don't think I've ever heard of anyone getting pulled over for 75 in a 70 zone here. I've heard Tennessee Highway Patrol officers say that they won't usually bother pulling someone over for speed alone on the Interstate unless the vehicle is going at least 13 mph over. Of course, if you're doing something else dangerous or otherwise suspicious, they might use a speed less than 13 over as an excuse to pull you over.
    – reirab
    Dec 22, 2014 at 21:48
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    And Georgia is a whole different matter. If you're not doing at least 20 over on the Interstate in downtown Atlanta, you're a traffic hazard. It's a 55 zone and traffic typically moves 80 (or 0, but not 55.)
    – reirab
    Dec 22, 2014 at 21:53
  • @reirab it's fairly common for these 55 zones on "urban" interstates (which exist many places, not unique to Georgia) to be ignored by everyone, and this cannot be generalized to a 20 mph buffer in any other kind of 55 zone i.e. on a county road.
    – Random832
    Dec 26, 2014 at 14:10
  • @Random832 Yes, the fact that everyone ignores the urban 55 zones is pretty much universal (which raises the question of why we still have them.) Atlanta just seems to be an unusually extreme example with the general flow of traffic usually being around 80 mph. In most other urban U.S. 55 zones (that I've seen, at least,) the general flow of traffic on the Interstates seems to be more around 70-75 mph.
    – reirab
    Dec 26, 2014 at 14:32

Technically, any speed over the speed limit can be considered illegal and ticketable. I've personally witnessed California Highway Patrol pull over one car at 67 mph in a 65 mph zone. (Cop car was in lane two of four on the freeway, at 65 mph. A somewhat dense pack of cars were therefore all dutifully travelling at exactly the same pace. One car tried to slowly sneak by at 67 mph in lane 1. Sirens ensued.)

I've also had a cousin receive a ticket in Milpitas, California in a 35 mph zone, while going less than 40 mph.

Yes, a 5 mph tolerance is widely understood to apply, but the fact is that an asshole cop can enforce the letter of the law, and nowhere in the law will you find a 5 mph tolerance mentioned.

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    Honestly, a judge would probably toss such a ticket. However, even more unethical officers can target out-of-state/out-of-town vehicles on the assumption that they'd pay the ticket instead of making the trip to go to court.
    – reirab
    Dec 22, 2014 at 21:56
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    @reirab I would guess that traffic court judges tend to side with officers. There is the option of fighting your ticket by mail, but that still sucks. Dec 22, 2014 at 21:58
  • It depends on the location and situation, I'm sure. However, I think they'd run into Constitutional problems if they were caught applying the limit unequally. E.g. If you're ticketed for +3 mph in a zone where it's unusual to ticket for < +13 mph, it would be hard to argue against tossing it and the officer likely wouldn't even show up.
    – reirab
    Dec 22, 2014 at 22:02
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    "A****** cop" as opposed to what other kind? Still, +1! Dec 25, 2014 at 3:07

While unlikely, yes. I will be covering special cases other users haven't covered yet where you may.

Typically, if you are pulled over for 1-5 over, the officer has alternative motives that may not be all that ethical.

  • The main one being, if an officer is profiling you. While this is illegal, it is hard to prove. When I was driving around a friend who had a suspended license in his car I would get pulled over that so the kind officer could check the driver. If they are suspicious for any reason, they can stop you.

  • The other time I have seen +1 mph tickets is in small highway towns in need of money. This is completely unethical in my mind, but it happens.

With that said, while there is no legal rule allowing you to go up to 5 over, it is (at least where I am from) generally understood when safe to do so. Again, generally safe, if a cop wants to pull you over he can.

  • I've seen it as an alternative for a "reckless driving" citation. A ticket for doing 36 in a 35 zone (a question of fact) is a lot harder to challenge than one for driving in an unsafe manner (a question of opinion).
    – Mark
    Dec 22, 2014 at 23:00

Since there have been no actual citations about towns setting up speed traps to scam motorists using speeding tickets, I will provide some examples:

Hampton, Florida:

They are especially ridiculous at their job, since they specifically extended the limits of the town to encompass a small section of the highway specifically to fleece motorists:

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You can lay claim to a 1,260-foot stretch of busy highway a mile outside of town and set up one of the nation's most notorious speed traps. You can use the ticket money to build up a mighty police force -- an officer for every 25 people in town -- and, residents say, let drugs run rampant while your cops sit out by the highway on lawn chairs, pointing radar guns at everybody who passes by.

Waldo, Florida

The city that once covered half of its $1million budget with speeding ticket fines and other 'police revenue' is disbanding its department.

The Waldo City Council voted 4-1 on Tuesday to dissolve the police force after both the police chief and his replacement were suspended over allegations that included ticket quotas.

  • Wow... I wonder how many of these little speed trap towns are in the US. Aug 29, 2015 at 3:29

I once got pulled over by sheriff for doing 65 on 60 in Oklahoma country highway. However I was only given a warning. Warning don't affect your insurance but stay on your record. I was driving on a old highway and cop was driving on opposite way. He turned around on highway and came chasing me to warn me.

I would always do plus 5 on highways until then thinking no one will ever ticket me and braking to slwoing down on first spotting cop helped me, however because he was coming from the other direction I did not see him.

Police alerts on waze app are pretty useful if the cop is not moving.


There are certain geographic zones and times where enforcement is particularly stringent.

  1. For example, during the late 1990s in western North Carolina through the Appalachian mountains, the local law enforcement had the option of citing reckless driving for cars going 5 mph or more over the speed limit.

  2. Also during that time, when New Jersey increased the interstate speed limit from 55 mph to 60 (or 65?) they ticketed any speed over the limit to clarify their expectation about the new limit.

  3. Finally, there are scenarios where it will become plainly obvious when a speed limit is even approached. No officers are required to check the speed, only a tow truck to fetch the vehicle. Certain sections of Highway 1 in California, the Pacific Coast Highway (PCH), have a speed limit that is actually a limit like the ones in math class. Rather than a quasi-arbitrary guideline based on fuel economy and mortality rates with respect to curve and banking ratios, some limits are actual boundaries with specific consequences when approached. Some sections of the PCH are serpentine, highly banked, and without guard rails hundreds of feet above large rocks and the ocean. I distinctly recall a section where it was challenging to do more than 15 mph, but the speed limit was 55 mph. I suspect that most drivers attempting to go 55 mph around the curve would end up sliding right off the road.

  • The Appalachian Mountains are in western North Carolina. In eastern North Carolina are the beaches. Mar 7, 2015 at 21:52

From my experience in the US, all the above answers are correct but one thing that isn't mentioned is the specific road also makes a difference.

For example on Texas SH 195 that runs between Killeen and Austin, there are multiple radar traps and speeds are enforced strictly. This is because this road is notorious for having drunk speeding college kids (and GIs) that are coming back from Austin.

I have been pulled over going 2 (according to the digital speedometer in my car) over the limit by a state trooper. I was not cited, but both the state trooper and a MP came out to check the car and my documents.

The weather also makes a difference. If you are speeding slightly and its raining, foggy etc you will also be pulled over for speeding within 5 mph of the limit. I had this happen to me while trying to catch a plane at DFW (my flight from Killeen was canceled due to the weather). The officer pulled me over, took his time checking my documents (it was a rental car), then proceeded to write me a ticket as slowly as possible.


My driver's safety course in Culver City, California included a session with a CHP officer who went out of his way to state that they do not pull drivers over for speeding if they are going with the flow of traffic, but will pull over people "jackrabbiting" across highway lanes regardless of speed limit for reckless driving.

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