by Dick Hall-Sizemore

Some participants on this blog have voiced skepticism regarding the claim that Black drivers are more likely than white drivers to be pulled over by law enforcement. Jim Bacon even went to great lengths to demonstrate that it was difficult to determine the race of a driver in a moving vehicle. These skeptics have called for some data to support the claim, rather than relying on single egregious incidents such as the one that occurred in Windsor last year.

That data is now available and it supports the hypothesis that Black drivers are more likely than white ones to be stopped for traffic infractions.

Using recently available data from the Dept. of State Police, the Richmond Times Dispatch has calculated that “drivers who are Black are 1.6 times more likely to be stopped than white drivers based on their respective populations. And once stopped, Black drivers are 1.6 times more likely to have their car searched than white drivers and 1.3 times as likely to be arrested.”

The data was collected as a result of the Virginia Community Policing Act (HB 1250, 2020 Session). The legislation required any law-enforcement officer in the Commonwealth to collect the following data for each motor vehicle stop:

  • Race, ethnicity, age, and gender of person stopped;
  • Reason for the stop;
  • Whether a warning, written citation, or summons was issued or whether any person was arrested;
  • If a warning, citation, summons or arrest was issued or made, the warning provided, violation charged, or crime charged; and
  • Whether the vehicle or any person was searched.

In addition, the law requires each state and local law-enforcement agency to collect the number of complaints the agency receives alleging the use of excessive force.  The data collected is to be entered into a database developed and maintained by the Dept. of State Police.

Finally, the Dept. of Criminal Justice Services (DCJS) is directed to analyze the data to “determine the existence and prevalence of the practice of bias-based profiling and the prevalence of complaints alleging the use of excessive force.”  DCJS is required to report to the General Assembly annually on its findings and recommendations resulting from its analysis.

Focusing on the Richmond region, the RTD analysis found that more motorists were stopped in Chesterfield County than in any other locality except for Fairfax County. (Chesterfield is the fifth-largest locality in population in the state.) Although it had the smallest population in the region, Hanover County saw more traffic stops than either Henrico County or the city of Richmond.

The chance of a Black driver being stopped versus that of a white driver was higher by far in Hanover— 5.2 times more likely. Black drivers were also more likely than white drivers to be stopped in each of the other jurisdictions, as well —Richmond, 2.4 times more likely; Chesterfield, 2.3 times more likely; and Henrico, 1.6 times more likely.

Region wide, Black drivers accounted for 55% of arrests and 64% of vehicle searches.

The State Police database can be found here. For the period from July 1, 2020, to June 30, 2021, there is data for 878,190 traffic stops from 314 law-enforcement agencies across the state. That is a lot of raw data, but the site does provide the ability to filter the data. However, the filters are not the most user-friendly.

The statewide data can be downloaded into an Excel spreadsheet. I was going to attempt to analyze it, but my pivot table skills are virtually nonexistent and I do not want to take the time needed to get up to speed. The RTD came to my rescue. For more statewide analysis, I will wait for the DCJS report; the data folks at that agency are good.

My Soapbox

Unless one is prepared to maintain that Blacks are disproportionately worse drivers than whites, in light of this data it is hard to argue against the proposition that there is some systemic bias against Black drivers among law enforcement.

Furthermore, the proportions used in the RTD analysis are based on the racial composition of the general populations. If the analysis were based on the racial composition of the driving population, the bias might be shown to be stronger.  Because race or ethnicity is not included in the information on a Virginia driver’s license, it is likely very difficult, if not impossible, to obtain the data needed for that level of comparison.


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51 responses to “Driving While Black Redux”

  1. Eric the half a troll Avatar
    Eric the half a troll

    Traffic cameras are color blind. Take cops out of the administrative and speeding tickets business. Problem solved.

    1. Dick Hall-Sizemore Avatar
      Dick Hall-Sizemore

      You will still need cops patrolling in order to get reckless and drunk drivers off the road.

      1. Eric the half a troll Avatar
        Eric the half a troll

        Most “reckless driving” charges are due to nothing but high rates of speed. So again cameras which limit cops to setting up drunk driver blocks where they randomly check like every 5th car. Still a risk of bias creeping in but kept to a minimum.

        I am fairly confident that cops do not issue many reckless driving or drunk driving citations through chance encounters on random patrols. But you could restrict cops to only pulling over cars that show true reckless driver behavior (not just speed) or drunk driving probable cause. Nothing else. We would need far fewer cops with guns roaming the highways and bias again would be minimized.

        Bottom line to me, get armed cops out of traffic enforcement and we will all be better on balance.

        1. LarrytheG Avatar

          I’m on board with the speed cameras which then ought to let human enforcement concentrate on other issues AND keep stats on them.

          Do we have a problem?

          Did we have a problem in the past?

          Did every bit of it go away?

  2. LarrytheG Avatar

    well I would also like to know WHY people were pulled over. Is that one of the things available?

    1. Dick Hall-Sizemore Avatar
      Dick Hall-Sizemore

      Yes. One of the required data items is “reason for stop”.

      1. LarrytheG Avatar

        the reason for the stop is also important in my mind.

        This is a one year old law , pretty amazing that compliance is 100% among all the police agencies.

        too bad about the inability to be able to mine the data… it probably would provide further insight.

        1. Stephen Haner Avatar
          Stephen Haner

          A quick look at reason for stop sorted by race doesn’t show much difference…mainly some kind of traffic infraction or equipment issue.

  3. Stephen Haner Avatar
    Stephen Haner

    In all fairness, Dick, it is indeed possible that what this reflects is a difference in driving behavior. These data will not prove or disprove that. Another very important piece is missing apparently, and that is the time of day (or night) that the stops occurred. Is it plausible that police are stopping one group for a certain infraction, and letting others go for the same thing? Of course. But again, this is the now-standard approach: If you break anything down by skin color, and the result shows disparate outcomes, racism is assumed to be proved. (Eric has a point and next step could be traffic cameras with a racial analysis….)

    1. Dick Hall-Sizemore Avatar
      Dick Hall-Sizemore

      I agree that it is unfortunate that the time of day is not one of the data items.

      How else would you explain that Black drivers are 5 times more likely than whites to be stopped in Hanover County? How else would you explain that Black drivers are almost twice as likely, statewide, to be stopped than white drivers?

  4. DJRippert Avatar

    Ahhh …. the inconvenient minority (for liberals) is back at it.

    In a traffic violation Whites are almost twice as likely to be searched as Asians.

    For an equipment violation Whites are more than twice as likely to be searched than Asians.

    In almost every category the odds of a person or car being searched during a stop is lower for Asians than for Whites.

    Now, if a higher incidence of searches of Black people (vs White) during traffic stops is indicative of police prejudice against Blacks (vs Whites) then one has to believe that a systematically higher percentage of searches of Whites (vs Asians) is indicative of police prejudice against Whites (vs Asians).

    1. Nancy Naive Avatar
      Nancy Naive

      Whites are twice as likely to shout, “I know ma’ rights,” than Asians.
      https://m.youtube.com/watch?v=RNPxIibhcKY

      1. LarrytheG Avatar

        yeah, now that you mention it, how many Asians are anti-vaxxers compared to white guys?

        1. DJRippert Avatar

          Another liberal lie.

          “The CDC reports demographic characteristics, including race/ethnicity, of people receiving COVID-19 vaccinations at the national level. As of August 16, 2021, CDC reported that race/ethnicity was known for 58% of people who had received at least one dose of the vaccine. Among this group, nearly two thirds were White (58%), 10% were Black, 17% were Hispanic, 6% were Asian, 1% were American Indian or Alaska Native, and <1% were Native Hawaiian or Other Pacific Islander, while 8% reported multiple or other race.”

          61.5% of Americans are non-hispanic White. 58% of those receiving at least one vaccination are non-hispanic White.

          12.7% of Americans are Black. 10% have received at least one shot.

          Black people have received smaller shares of vaccinations compared to their shares of cases and the total population in about half of states reporting data.

          Reflecting disproportionate levels of infection, Hispanic people have received smaller shares of vaccinations compared to their shares of cases in most reporting states.

          In nearly all reporting states, the share of vaccinations among Asian people was similar to or higher than their shares of cases, deaths, and total population.

          White people received a higher share of vaccinations compared to their share of cases in most states reporting data.

          https://www.kff.org/coronavirus-covid-19/issue-brief/latest-data-on-covid-19-vaccinations-race-ethnicity/

          1. LarrytheG Avatar

            how about Asians?

        2. Nancy Naive Avatar
          Nancy Naive

          BTW, these “Steve knows his rights” videos were police training films made in a small Mississippi town by a local cop and his cousin Steve. They’re hysterical. There’s like 10 of them, and they were distributed to PDs all over the South before going viral.

          1. how_it_works Avatar
            how_it_works

            One of them was recorded in Salinas, KS. The skyjack DUI one, to be exact.

  5. LarrytheG Avatar

    this “averages” out to over 6000 stops per jurisdiction, which sounds like a lot, but divided by 365 – averages out to about 20 per day which sounds low although the bigger population areas will have many more than smaller ones.

    And looking on a per-jurisdiction basis, it seems clear some are much more into doing traffic stops ( again what reasons?).

    What might be interesting is to compare the various jurisdiction to state police stops and see that comparison.

    And I’m quite sure those “social justice warriors” that we get told about in BR will get some spreadsheet gurus and tease out all sort of bad-looking data!

    In terms of racial driving styles, i.e. blacks , Asians, whites, Hispanics drive “differently”, sounds like one of them thar academic studies – that oughta blow up the racial disparity thing, no?

    1. Nancy Naive Avatar
      Nancy Naive

      Old people drive differently. That saying, “If it’s a Buick, foot over the brakes,” didn’t just come about for no reason, ya know.

      1. By that standard I am not yet old. Thank you for brightening my day!

        1. Nancy Naive Avatar
          Nancy Naive

          Well, you own a motorcycle. By that standard, you probably never will be… or rather, never get the chance to be… especially in Virginia. Too many Oscar Gropes. It that respect, it pays to live in New England.

          1. One problem with trying to counter the “you’re gonna get killed riding that motorcycle” comments is that you can’t counter them until/unless you’ve died from some other cause – and then it doesn’t matter anyway.

            Sure, maybe I’ll die in a motorcycle crash – maybe you’ll die in a sailboat accident – either one beats dying with Alzheimer’s in a nursing home as far as I am concerned.

            RE: New England vs Virginia. Motorcycle death rates per mile ridden are [very] slightly higher in two of the New England States than in Virginia, and considerably lower in the others. Given that fact, I find it interesting that four of the states up there do not require adult riders to wear helmets.

          2. Nancy Naive Avatar
            Nancy Naive

            Amen to not dying with, uh, um, Al’s hammer.

            Well, when we’ve gone north, I was always impressed by the number of motorcycles on those wonderful two-lane blacktop roads. Just figured you wouldn’t want to die alone.

            Live, Freeze, and Die.

          3. There are some beautiful country roads in New England, but in my opinion they do not surpass those in rural Virginia. Or North Caroline, West Virginia and Kentucky.

            Route 39 through Goshen Pass is simply breathtaking on a motorcycle.

      2. how_it_works Avatar
        how_it_works

        There must be some reason the brake pedal is a foot wide in those things.

        Probably makes it easier to hit when one has a bad case of the shakes…

  6. Nancy Naive Avatar
    Nancy Naive

    It’s not that Black drivers are nearly twice as likely as White drivers to be pulled. It’s just that drivers who are pulled are nearly twice as likely to be Black than White.

    Framing is everthing.

  7. LesGabriel Avatar

    Seems that there are two separate issues here that get rolled up into one. One question is whether there is bias in which drivers get pulled over. The second is whether they are treated differently once they are stopped. I’m not sure they data collected can answer both of those questions. I thought from the introduction that I was going to see the results of some kind of actual experiment where the objective was to determine if someone could accurately determine the race of a driver from the distance behind a vehicle that police would be travelling during a typical traffic stop. Clearly the time of day and other visibility factors would play a role here. Lastly, if there is bias in traffic stops, hopefully the data would be able to narrow it down so that decision=makers (i.e. the voters) would know which agencies were most responsible.

  8. Sara Elizabeth Carter Avatar
    Sara Elizabeth Carter

    Speaking as a local government manager, with a police department, there are real and valid reasons why the proportions of populations pulled over and the proportions searched would not match the racial breakdown of the state or the community. Both of the following examples would deal with the location of where the traffic stop was initiated. In a large metropolitan area, there is a focus on enforcement in higher crime and higher traffic areas. These areas may have a very different population composition than the rest of the overall locality. If in Chesterfield County, there are more traffic stops on the Rt. 1/301 corridor, versus the 360 corridor, numbers will be skewed based on the populations of those respective corridors. Additionally, for large and small jurisdictions alike, traffic enforcement along highway corridors means stops of people from outside your locality, or even this state. In order to really understand whether there is a problem, and then what the nature of the problem is, the data would have to be reviewed at a much more granular level, and there may need to be additional data about the location where stops occur. This is not to imply that there are not problems or issues out there, just that this data is not the conclusion to that study, but the beginning. This is a much more complicated issue than that data snapshot implies.

    Traffic camera enforcement, especially mobile ones, would be wonderful.

    1. LarrytheG Avatar

      I don’t see this explanation as unreasonable

      It’s plausible especially for moving violation stops but what predicates the other stops in high traffic/high crime locations and are those reasons for stops any different than stops made in low crime/low traffic areas?

      In other words is the enforcement consistent no matter when and where?

      If you had cameras in the same area – then compared the camera “stops” with police stops would the demographics be the same and if not, why not?

    2. Nancy Naive Avatar
      Nancy Naive

      Where were you when I was trying to explain conditional probability.

      Absolutely bang smack on. Almost like you’d thought about this or something. You must wait from now on before commenting until the rest of us have reached the wrong conclusions.

  9. Eric the half a troll Avatar
    Eric the half a troll

    I downloaded the data and have attached some summary figures. Yes, blacks are more likely to be pulled over than whites (compared to their population percentage in Virginia) but once pulled over, they are less likely to be ticketed. That alone suggests a bias in the decision to pull over the car, i.e., white drivers have to really give them a reason compared to blacks. There does seem to be a bias in male vs. females overall but once pulled over, they are cited equally (which suggests the original reason to pull them over is legit). Other then the overall population bias of black vs white, there does not seem to be an additional black male vs black female bias above that found in the general population. Interesting set of data to be sure.
    https://uploads.disquscdn.com/images/240bad71e061073da46a3881e0f0bed1d7746578dfeff5cc7b54e275e966d76d.jpg

    1. LarrytheG Avatar

      the percent of citations across the spectrum is remarkeable.

      1. Eric the half a troll Avatar
        Eric the half a troll

        Its all about the Benjamins…

    2. Nancy Naive Avatar
      Nancy Naive

      I posted this before, but some small city in Tennessee instituted a formal “warning system” some years back that resulted in fewer tickets, friendlier stops, and higher compliance. It was featured on the news.

      1. But… but… but… that would reduce revenue!

        1. Nancy Naive Avatar
          Nancy Naive

          Yes, it did. Tickets were written in only one of five stops and licenses were only checked in moving violations. Equipment stops they only entered tags. Plus, wants and warrants were only done when tickets were issued.

          The police chief decided that too many people were trying to evade and elude over dumb stuff so he decided to give people a break.

    3. Dick Hall-Sizemore Avatar
      Dick Hall-Sizemore

      This is indeed a trove of data waiting to be mined (to mix methaphors). And, of course, Nancy is right about the limitations of using general population data to reach conclusions about drivers. But, the data she specifies does not exist and I doubt that it could be easily developed. So, at the moment, we are stuck with using general population data as a proxy for driver data.

      The report that will be produced by DCJS, perhaps by December, should be most interesting.

      1. Nancy Naive Avatar
        Nancy Naive

        SHE?! Oh, let’s not pretend! Wait….

  10. “Furthermore, the proportions used in the RTD analysis are based on the racial composition of the general populations.”

    Do they use the demographics of a particular locality for computing the statistics for that locality, or are they using statewide demographics across the board?

    1. Dick Hall-Sizemore Avatar
      Dick Hall-Sizemore

      It seems that they are using the individual locality demographics when applicable and statewide demographics for the statewide results.

      1. Thanks. It makes a big difference when comparing % of stops which were of [insert race here].

        For instance, Hanover County is 88.3% white and 9.3% black, while Richmond is 29% white and 63% black.

        It stands to reason that 63% of traffic stops in the City of Richmond involved blacks and 30% whites, but one might question why those numbers are 62% and 35%, respectively, in Hanover County.

        Of course, as you pointed out, population demographics do not necessarily equal driver demographics within a locality, so we should not expect the percentages to match perfectly.
        Still, 62% of stops with only 9.3% of the population? It might give one pause.

        What gives me real pause, though is the statistics on cars/persons searched and persons arrested after being pulled over. Statewide, an astonishingly high percentage of the cars searched were driven by blacks (95%); with similarly high percentages of persons searched and persons arrested being black.

        NOTE: Strikeout added to final paragraph because what I wrote is 100% incorrect. I completely misread one of the pie-graphs.

  11. Nancy Naive Avatar
    Nancy Naive

    I wasn’t joking. You do not have measurements of the probability of being pulled given you are black. What you have are sample data from the driver’s race conditioned on being pulled first, i.e., measurements of the probability of being black given you are pulled.

    In order to calculate the former, you need aditional information. You need the population statistics of drivers on the road and the probability of being pulled.

    P(pulled given black) = P(black given pulled)*P(pulled)/P(black)

    So to complete the problem, you need to know how many cars were on the road during the time cars were pulled, what the percentages of black and not black drivers were, and the number of cars pulled.

    1. LarrytheG Avatar

      I agree. And also what Ms. Carter alluded to upthread.

      And not sure how you get that data, but I think you probably could by using license plate readers and then pulling the DMV license data or some such.

      1. Nancy Naive Avatar
        Nancy Naive

        That’d be about the only way. Plus, you’d have to know the vehicles subject to being pulled, i.e., infractions per, say, 100 cars.

        The best place to gather data would be a construction site where the speed limit is 55 mph on, say I64. Nobody does 55 in those areas, so EVERY car is subject to being pulled.

        BTW, you can’t use gross population statistics for driver statistics. Personally, I have observed times on the HRBT in my younger days, when most of the cars around me were driven by black guys, which of course, does not reflect the area statistics, like 1AM.

        1. “Race” is not listed on your driver’s license or your car registration, so I don’t think DMV records will be of much assistance.

          1. Nancy Naive Avatar
            Nancy Naive

            I didn’t think they would be. But I’ll bet more blacks percentage wise don’t own/drive vehicles to begin with, so using the genpop will be way off.

  12. Nancy Naive Avatar
    Nancy Naive

    Of course, running stoplights, speeding, even the ol’ broken license plate light ain’t a DWB.

    A DWB is being stopped in, oh say, King’s Mill one block from your house because you just don’t look like you belong, whether jogging or driving.

    Apparently, there’s an app called “Next Door” which seems to be a regionalized Facebook. The spousal unit is constantly stalking it to see what dog is missing, or what the gunshots were all about. The number of “seeing a black man”, or “calling the cops on the car with a black man” is mind numbing.

    1. Nobody where I live asks what the gunshots were all about. We just assume someone is target shooting or, at certain times during the year, hunting.

  13. Dick Hall Sizemore believes DWB is a thing. He may be right, but I doubt it. I believe driving out of State or County is more of a thing than DWB.
    Anyway, first, the dog that didn’t bark – police violence/excessive force. Nearly 900,000 stops and how many violent incidents?
    The stats on the stops are essentially worthless and represent a great example of confirmation bias. Did they track the race of the officer? If the officer is black stopping a black, is that DWB? Besides the general racial composition of a locality, what is the racial composition of the area being policed? What is the racial composition of the drivers in the area being policed? Is part of less white stops relative to blacks due to less crime in the whiter neighborhoods? Don’t police generally allocate resources to where the problems are?
    Now onto looking at statistics in a vacuum. The Richmond Police Department is sexist. The RPD seems to stop sort of close to racial composition. Is 63% black close to the population percentage? I don’t know. Even if not, it is subject to the same flaws cited above – is the RPD cruising Windsor Farms for traffic violations? Cherokee and Riverside?
    But then notice the jump for searches? So the RPD is racist? Do you honestly believe that?
    Finally, the other factor – driving characteristics. Is it possible wome are more risk averse and drive slower than men? Sorry to destroy feminist theory…Is it possible black men, who likely drive riskier than black women, drive riskier than white men? It is not an unfair question to ask. I would cite absence of a father as a possible initial lacking in young black drivers. First in appreciation of risks in general and second in actual time behind the wheel. I spent many hours with each child driving around neighborhoods, teaching how to turn, general awareness, graduating to the first frightening merge on the interstate.
    By themselves, the stats, as they are, need lots more info to actually equal DWB. I would say the stats show more on where policing activity occurs. So, in the interest of equity, allocate the proper percentage of police to Windsor Farms and Cherokee and Riverside so they can be like the Maytag repairman, and the vacuum will cause crime to go up in the problem areas…then you can create some really bad statistics!

  14. Cassie Gentry Avatar
    Cassie Gentry

    They are worse drivers. Anyone who lives where they are in large numbers sees that, failure to use signals, abrupt unsafe lane changes, right of way violations with angry responses to those who “violate their right of way” by driving through an intersection and “cutting them off” while making their unsignalled left turn. And so on

    1. I dare you to say that to Lewis Hamilton.

      😉

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