AAA finds that raising speed limits can result in increased crashes and fatalities

Raising speed limits has been found to increase the occurrence of car crashes, while lowering them leads to fewer accidents, according to a new analysis conducted by AAA. Although this conclusion may seem obvious, it is important to highlight it, particularly in light of how many states mistakenly believe that increasing speed limits can save drivers time. In reality, all it does is put pedestrians and cyclists at risk.

The AAA report adds to the growing body of evidence that shows changing speed limits can have a significant impact on road safety in the United States. The study involved analyzing a dozen roadways of different types across the country. Half of these roadways had their speed limits raised, while the other half had their limits lowered. AAA then conducted a before-and-after assessment to determine the effects of the altered speed limits on traffic safety and commute times.

The analysis revealed that two out of the three highways that increased their speed limits experienced an increase in the number of crashes, injuries, or fatalities. Surprisingly, commute times remained relatively unchanged, debunking the expectation that higher speeds result in faster trips for drivers. Although some other types of roads that raised their speed limits did not observe a corresponding increase in accidents, AAA emphasizes the need for further research.

Lowering speed limits also had a minimal impact on commute times, which challenges the argument that adjusting limits comes at the expense of travel time and driver convenience.

Speeding plays a critical role in traffic crashes in the United States. Speeding-related fatalities recently reached a 14-year high, accounting for nearly one-third of all traffic deaths, as reported by the National Highway Traffic Safety Administration. This alarming statistic comes at a time when the country is facing an ongoing “crisis” in road deaths, with traffic fatalities peaking in 2021.

AAA recommends that states adopt a comprehensive approach when considering whether to raise or lower speed limits. Factors such as road type, surrounding land use, and historical crash data should all be taken into account.

Jennifer Ryan, the director of state relations for AAA, warns against the overrated benefits and understated risks of increasing speed limits. She notes that while many states are pushing to raise speed limits this year, the positive outcomes envisioned by traffic planners are not always realized.

In conclusion, AAA’s analysis reinforces the importance of maintaining appropriate speed limits to ensure road safety and protect vulnerable road users.

 

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