Unifying Alabama's Traffic Safety Efforts
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CAPS (UA)


Center for Advanced Public Safety

The Center for Advanced Public Safety is a research and development center at The University of Alabama dedicated to the use of information technology to positively impact society. Our research and development activities have been centered on the application of novel technology to public and transportation safety, but our work transcends these areas into health care and social services – all areas where we can have substantial societal impact and improve the lives of citizens of our State, Nation and World.

(CAPS) is committed to using state of the art technologies for research, software development and outreach to improve public safety, with special emphasis on three major focus areas:
  • Law Enforcement
  • Homeland Security
  • Transportation Safety
For more information, visit the CAPS Website, call the toll-free number 866-349-CARE, or Email CAPS
Governor Ivey Awards Grants for Traffic Safety Information and Tech
Gov. Ivey has awarded three grants totaling more than $1.8 million to the University of Alabama’s Center for Advanced Public Safety for collection of detailed traffic safety information and related technological upgrades and developments.

The center will continue collecting statewide traffic data, assisting with a state highway safety plan, providing software for law enforcement personnel and first responders and conducting surveys for seat belt, child restraint and impaired driving statistics.

Click Here to Read the AlabamaNews.net Article

Click Here to Read the DothanFirst.com Article

Click Here to Read the Statescoop.com Article

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Cars or Trucks?
True or False?  In fatal crashes between cars and trucks, it is the truck that is most often at fault?  The chart below shows that this is false.  Heavy trucks only caused about 22% of the fatal crashes in which they were involved.  The general driving public has a sense that the truck causes the crash because of its size.  No doubt the disparity in size between trucks and cars accounts for a higher fatality rate than what occurs in crashes between two vehicles of equivalent weight.  However, this analysis was of who caused the crash in terms of driver errors (not what caused the severity to be so high). 

It is reasonable that professional drivers would have a higher driving skill level due to their experience.  However, in the lower severity classification the heavy truck drivers are over-represented in causation.  Perhaps this is due to their skill in mitigating the crash so that it will not cause a fatality.  Clearly heavy trucks are much more difficult to control, and so there might be the natural expectation that they cause more two-vehicle crashes.



The above analysis indicates strongly how fault can vary significantly by severity.  This is the main reason that we have subdivide the results by severity.  Typically the vehicle that is “of concern” will have the bar to the left (orange bar), which the one on the right will apply to all other vehicles or drivers.  Note that the total for all severity classifications (and those of Unknown severity is given at the right. 

Important: no inference should be made about the relative severity of the different types of crashes below by the heights of the bars in the graph. The orange and the blue bars within every severity classification sum to 1.00 (100%). Thus it is impossible to derive any conclusions with regard to how many truck related fatalities (either absolutely or relatively) from these charts. See the final section of this report (Frequency of Crashes by Severity) for this information.

Click Here for the PDF