Skip to main content

St Louis red light cameras changing driver behaviour

According to a new analysis of the City of St. Louis' violator-funded red-light safety camera program carried out by safety camera supplier American Traffic Systems (ATS), drivers are adopting safer driving habits by stopping at red lights. As drivers comply with the law, the risk of dangerous red-light running collisions is reduced, and streets become safer for drivers, pedestrians and cyclists. The study reviewed nearly 350,000 red-light running violations issued in the city from the time the program bega
November 5, 2012 Read time: 3 mins
According to a new analysis of the City of St. Louis' violator-funded red-light safety camera program carried out by safety camera supplier 6826 American Traffic Systems (ATS), drivers are adopting safer driving habits by stopping at red lights. As drivers comply with the law, the risk of dangerous red-light running collisions is reduced, and streets become safer for drivers, pedestrians and cyclists.

The study reviewed nearly 350,000 red-light running violations issued in the city from the time the program began in February 2007 to August 2012 and found nearly four out of every five drivers (nearly 80 per cent) who received one ticket did not get a second. Only 15 per cent of drivers received two violations. This low rate of recidivism indicates drivers are getting the message authorities are sending through red-light safety cameras.

So far in the program's lifetime, the number of red-light running violations has decreased on average 55 per cent at all locations, with reductions as high as 87 per cent at some of the locations where cameras were first installed.

Red light safety cameras allow the police to expand their ability to enforce traffic laws over a wider area while focusing their efforts on more violent crimes. Red-light safety camera video has also provided evidence to help investigate non-traffic related crimes. The program analysis found that the St. Louis Police Department requested video from red-light cameras on more than 70 occasions to help with the investigation of carjacking offences, attempted rape, shooting, robberies, homicides and simple accident reconstruction. Video from the red light cameras also helped in the investigation of the hit and run driver who killed St. Louis City Police Officer David Haynes in 2010. The requests are also referenced in police reports and entered into evidence to satisfy conflicting testimony.

St. Louis also receives economic benefits from red-light cameras. The program is 10 per cent funded by violators and not taxpayers. Every traffic crash exacts a financial cost on families, vehicles owners and the community at large. With every averted traffic crash, a community realises a savings in medical costs, emergency services expenses and other costs. According to a 2012 study by John Dunham and Associates, the use of one red-light safety camera in St. Louis saves the community an average of US$174,422 annually as a result of fewer traffic crashes.

ATS' study results are not unique to St. Louis. Independent studies have gone further and quantified the number of lives saved and crashes avoided. The Insurance Institute for Highway Safety in 2011 found fourteen cities with red-light cameras experienced a 24 percent reduction in red-light running fatalities. Also that year, a Texas Transportation Institute study found right-angle crashes, the most life-threatening type of red-light running collisions, decreased 32 percent at intersections with red-light safety cameras.

For more information on companies in this article

Related Content

  • Via sets up St Louis on-demand service
    July 10, 2020
    Transit riders can book their ride by selecting a pick-up and drop-off location
  • Troopers in the TOC – a recipe for success
    May 11, 2016
    A traffic incident management project in Arizona has speeded up reopening closed lanes and saved an estimated $165m through reducing traffic delays. The process for clearing roadway incidents on the Maricopa County freeways in Arizona has always reflected industry best practice with, for instance, a live feed of freeway cameras to the Arizona Department of Public Safety’s (DPS) dispatch centre and the City of Phoenix Fire dispatch centre. The region has nearly 480km (300 miles) of freeway connecting 27 citi
  • Motorcycle Safety Action Plan for London
    March 21, 2014
    The Mayor of London and Transport for London (TfL) have published the capital's first Motorcycle Safety Action Plan designed to directly reduce the number of collisions involving motorcyclists and scooter riders. One of TfL’s top priorities is to reduce by 40 per cent the number of people killed or seriously injured (KSI) on London’s roads by 2020. Recently, the Mayor and TfL published six commitments which, working with a range of partners, are guiding a range of work to deliver this. In particular, ac
  • Heading the right way with Caltrans
    October 27, 2020
    Wrong-way collisions are relatively rare – but they are often head-on and fatal. After recent studies, California DoT is reviewing its highway design standards