• By: Hank Stout
  • Published: June 2018

Drunk driving is problem all year-round, but it’s an especially big problem over holiday periods.

With the Fourth of July right around the corner, our Houston auto accident attorneys decided to examine Texas crash data to see whether, and to what extent, there is an increase in drunk driving crashes, injuries, and deaths over Independence Day. The results of our research is below.

For complete details on the methodology used to gather and analyze this data, click here.

4th-july-drunk-driving-statistics-texas

Increases in Texas Drunk Driving Crashes Over July 4th

Analysis of drunk driving crash data from 2010 to 2017 reveals that, during the Fourth of July:

  • Crashes increase by +28.50%;
  • Fatalities increase by +34.55%;
  • Incapacitating injuries increase by +29.00% and;
  • Injuries increase by +30.65%.

The chart below displays the raw counts counts of drunk driving crashes, fatalities, incapacitating injuries, and total injuries from 2010 to 2017 on the Fourth of July in Texas:

fourth-of-july-drunk-driving-texas

The Most Dangerous Texas Cities for Fourth of July Drunk Driving

Not surprisingly, Texas’s largest cities are also home to the most crashes involving drunk drivers.

The chart below ranks the 10 Texas cities which have had the largest number of crashes, deaths, and fatalities caused by drunk driving on the Fourth of July over the past 8 years.

most-dangerous-cities-texas-drunk-driving-july-4

Texas Cities with the Greatest Increases in Drunk Driving Over the 4th of July

While it’s somewhat obvious that Texas’s largest cities will see the largest increases in total drunk driving incidents over the Fourth of July, it’s useful to look also at which cities see the largest percentage of increases in drunk driving.

The chart below was created by looking at which cities see the largest increase in crashes over the holiday period when compared to a control period. The results are interesting, though not necessarily surprising:

fourth-of-july-drunk-driving-texas-city

View interactive chart

Fourth of July Drunk Driving Changes Among Texas’s Largest Cities

Next, let’s look at the changes in drunk driving across Texas’s five largest cities: Houston, San Antonio, Dallas, Austin, and Fort Worth.

Houston

  • Crashes increase by +31.69%;
  • Fatalities increase by +75.00%;
  • Incapacitating injuries decrease by –40.00% and;
  • Injuries increase by +27.85%.

San Antonio

  • Crashes increase by +27.22%;
  • Fatalities increase by +42.86%;
  • Incapacitating injuries increase by +60.00% and;
  • Injuries increase by +48.81%.

Dallas

  • Crashes decrease by –5.61%;
  • Fatalities increase by +60.00%;
  • Incapacitating injuries decrease by –42.86% and;
  • Injuries decrease by –25.35%.

Austin

  • Crashes increase by +19.83%;
  • Fatalities increase by +33.33%;
  • Incapacitating injuries decrease by –25.00% and;
  • Injuries increase by +24.64%.

Fort Worth

  • Crashes increase by +29.17%;
  • Fatalities do not change
  • Incapacitating injuries increase by +83.33% and;
  • Injuries increase by +21.74%.

Key Insights

  • Houston experiences the largest increases in both total drunk driving crashes (+31.69%) and fatalities (+75.00%) of any of the five largest cities.
  • San Antonio experiences the largest increase total injuries (+48.81%) of any of the five largest cities.
  • Fort Worth experiences the largest increase incapacitating injuries (+83.33%) of any of the five largest cities.
  • Dallas is the only city of these that has not seen an increase in drunk driving crashes during the Fourth of July over the past eight years. This begs the question: What is Dallas doing right?

This Fourth of July, be part of the solution, not the problem

The data speaks for itself. While drunk driving is always an serious problem, it is especially so over holidays like the Fourth of July.

If you celebrate Independence Day by having a few cold ones with friends and family, make the smart decision and arrange a sober ride home. If you’re in Houston or Austin, be sure to take advantage of our No DWI Free Holiday Rides program. If you’re elsewhere, take a cab, an Uber or Lyft, or arrange for a designated driver.


Methodology

  • In conducting our study, we used the Texas Department of Transportation definition of alcohol involved crashes, which is a crash where any person reported with a contributing factor of Under the Influence of Alcohol, or Had Been Drinking, or test results with a blood alcohol content of greater than 0.
  • Using TxDOT CRIS Query System, we gathered crash data from the past eight years (2010–2017) for Alcohol Involved Crashes during the Fourth of July. We didn’t just look at data from July 4th; rather, we gathered data for the day before the holiday (the 3rd), the day of the holiday, and the day after the holiday (the 5th).
  • We then gathered the same data for the same three day period, but for the week after the Fourth of July holiday. This data serves as the control. This allowed us to compare alcohol involved crashes over the holiday period with alcohol involved crashes during a typical non-holiday period.
  • To determine the percentage change in drunk crashes over the Fourth of July, we used the following formula:
    (Fourth of July crashes – Control period crashes) / (Fourth of July crashes) X 100 = % change

About the Author

Hank Stout is a founding partner at Sutliff & Stout, Injury & Accident Law Firm. Hank earned his doctor of jurisprudence from South Texas College of Law and has been actively trying personal injury cases for over ten years. He was recognized by Thompson Reuters as a Rising Star from 2012-2014 and has been recognized as a Super Lawyer since 2014 (a distinction given to less than 1% of the lawyers in the state of Texas). He has earned a Superb rating by Avvo, and is a member of the Million Dollar Advocates Forum. To learn more, read Hank's full bio here.

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