The more expensive a cable car is , the less likely the driver is to break for a pedestrian who is cross the road , at least in Las Vegas . The race and sexuality of the someone seek to get across the route may also count .

close to 200,000 Americans are injured or killed by car each year while walking . Those suffering are disproportionately male and non - white . understand why is an authoritative step towards reducing the toll , soDr Courtney Coughenourof the University of Nevada is searching for account . Her results , published inJournal of   Transport and Healthshed some light on the statistical distribution of victim , but even more on those behind the cycle .

Coughenour levy four adults to essay to thwart busy Las Vegas streets at two midblock zebra crossing that are normally used by school children at other time .

Each similarly pedestrian , get dressed for visibility , would come near the crossing as a car passed a marking , put one foot on the street to indicate they wished to cross and attempt to make eye middleman with the gadget driver . Legally at this point the driver was postulate to concede , but the pedestrians only actually tried to cross the road if the number one wood retard or stopped to make it safe . The exertion were videoed so Coughenour could see whether drivers gave means , and analyze the elevator car by make and age to gain an estimate of their value .

In 72 pct of cases , drivers reject to grant , which is a pretty prominent meter reading of what drivers think of both the practice of law and pedestrians ' lives . The ratio was higher for the white and distaff walkers than for the black and male ones , but the white woman player was still granted her legally required rightfield of good handing over well less than half the time . Moreover , the camera failed in the Nevada heat , allow for Coughenour with a sample size small enough that neither finding reached statistical significance .

The highlighting of the study was that for every $ 1,000 neat estimated value of the railcar , the likelihood of yielding dropped 3 percent   – a finding that was statistically significant even with the modest sample . Coughenour and Centennial State - authors acknowledge that without interview drivers they ca n’t be determinate about the reason those driving gaudy car are less probable to give fashion . However , they contemplate : “ One possible explanation may be that drivers of high economic value cars … experience a sense of superiority over other road exploiter . Similarly , individual of lower socioeconomic condition ( SES ) may empathize more with the pedestrian . ”

The work combines and confirm a series of late studies , some of which found American drivers wereless likely to give wayto black than livid pedestrian , while others establish wealthier multitude areconsistently more likelyto behave unethically when drive .