Pedestrian deaths in the United States have surged 48% over the past decade. Drivers hit and killed 3,304 people walking in just the first half of 2024, more than 1,000 additional deaths compared to the same period in 2014. No single cause explains this increase. Instead, several trends have converged at once: vehicles got bigger, roads got faster, screens multiplied behind the wheel, and the places where people walk were never designed to keep them safe.
Bigger Vehicles Hit Harder
The American vehicle fleet has transformed over the past 15 years. SUVs, crossovers, and pickups now dominate new car sales, and their front ends have grown taller and blunter. That shift matters enormously for anyone on foot. An IIHS study of nearly 18,000 pedestrian crashes found that vehicles with hood heights above 40 inches are about 45% more likely to kill a pedestrian than cars with hoods at 30 inches or below. Even medium-height vehicles with flat, blunt grilles were 26% more likely to cause fatal injuries compared to lower, sloped designs.
The physics are straightforward. A tall, flat front end strikes an adult pedestrian in the torso or head rather than the legs. A sedan’s sloping hood tends to scoop a person onto the car, which is still violent but more survivable. A truck or large SUV with a wall-like grille transfers force directly into vital organs. The same crash at the same speed produces very different outcomes depending on where the vehicle makes contact with the body.
Speed Changes Everything
Impact speed is the single strongest predictor of whether a pedestrian survives a crash. Research from NHTSA identifies clear boundary zones: below about 19 mph, most injuries are relatively minor. Above 30 mph, nearly all leg injuries from bumper contact are at least moderately severe. Between 37 and 43 mph, crashes shift from mostly survivable to mostly fatal. And above that range, survival becomes unlikely.
These thresholds matter because many of the roads where pedestrians die are designed for speed, not safety. Wide, multi-lane arterials with speed limits of 40 to 50 mph run through commercial districts, bus stops, and apartment complexes. Reducing a speed limit from about 37 mph to 31 mph has been shown to cut pedestrian fatalities by 50%. Yet most American arterials remain engineered to move cars quickly, with pedestrian safety as an afterthought.
Roads Built Without Walkers in Mind
The design of the road itself is a major driver of pedestrian deaths. Wider roads are more dangerous: collision rates increase by roughly 9% for every additional 10 feet of street width. More lanes, higher speed limits, and heavier traffic volumes on arterial roads all independently raise the risk of severe crashes. These are the stroads, part street and part road, that line much of suburban and exurban America. They combine highway-level speeds with driveways, strip malls, and bus stops that force people to cross on foot.
Pedestrians who cross mid-block, away from intersections, face a higher likelihood of fatal injury. That sounds like a behavioral choice, but it often reflects a design failure. When the nearest crosswalk is a quarter mile away, people cross where they need to, not where the infrastructure tells them to. Installing marked mid-block crossings with flashing beacons is one of the more effective countermeasures, but most high-crash corridors still lack them.
Darkness Is the Deadliest Factor
More than 75% of pedestrian deaths in 2021 occurred in the dark. Nighttime pedestrian fatalities have climbed steadily since around 2009, and this trend has outpaced the overall increase in pedestrian deaths. Several forces overlap after sundown. Drivers have reduced visibility and slower reaction times. Pedestrians wearing dark clothing on unlit roads are nearly invisible. Alcohol impairment, for both drivers and pedestrians, peaks during evening and nighttime hours.
Vehicle safety technology hasn’t closed this gap. Pedestrian automatic emergency braking systems, now increasingly common in new cars, stopped vehicles in about 64% of nighttime tests. That sounds reasonable until you compare it to 70% effectiveness during daytime, and consider that in some tests at speeds around 37 mph, the systems failed to detect the pedestrian at all. The maximum impact speed recorded when the system failed was nearly 38 mph, well within the range where fatalities become likely. These systems help, but they’re far from a reliable safety net after dark.
Distraction on Both Sides of the Windshield
Smartphones arrived in most Americans’ pockets right around the time pedestrian deaths began climbing. That correlation isn’t proof, but the mechanism is obvious to anyone who has watched a driver scroll through a phone at 45 mph. About 1 in 5 people killed in distracted-driving crashes in 2019 were not inside a vehicle. They were walking, biking, or standing outside.
Distraction isn’t limited to texting. Navigation systems, touchscreen infotainment controls, and even eating behind the wheel all pull a driver’s eyes from the road. A text message takes roughly five seconds to read. At 40 mph, that’s the length of a football field traveled without looking. Pedestrians, meanwhile, are also more distracted than they used to be, crossing streets while looking at phones, wearing earbuds that block the sound of approaching traffic. The result is two parties who are less aware of each other than at any point in the history of driving.
Alcohol Still Plays a Large Role
Alcohol involvement in pedestrian deaths is significant and often overlooked. Historical CDC data found that roughly 36% of pedestrian fatalities involved an intoxicated pedestrian, while about 12% involved an intoxicated driver. Those figures have shifted somewhat over the decades, but impairment remains a persistent factor. It reduces reaction time for drivers and impairs judgment for pedestrians, making them more likely to step into traffic or misjudge the speed of approaching vehicles. On arterial roads specifically, alcohol impairment is one of the dominant risk factors for fatal outcomes.
Low-Income Neighborhoods Bear the Burden
Pedestrian deaths are not evenly distributed. Lower-income neighborhoods consistently experience higher pedestrian injury and fatality rates, and research has quantified the relationship with striking precision. For every $1,000 decrease in a census tract’s median household income, pedestrian fatal injuries increase by about 1%. In the Portland metro area, tracts where more than 25% of residents lived in poverty had a pedestrian fatality rate of 12.8 per 100,000 residents, nearly four times the rate in tracts where fewer than 15% lived in poverty.
This isn’t simply about individual behavior. Low-income neighborhoods and communities with higher proportions of Black, Indigenous, and other non-white residents tend to have wider, faster roads with fewer crosswalks, less lighting, and more traffic. These are the arterials that were built to move suburban commuters through urban neighborhoods quickly. The people who live along those corridors, often without reliable access to a car, are forced to walk in environments that were never designed to accommodate them. The income and race disparities in pedestrian deaths are, to a significant degree, infrastructure disparities that reflect decades of unequal investment.
Why All These Factors Converged at Once
Pedestrian deaths were declining for decades before reversing course around 2009. What changed wasn’t one thing. Smartphones put a powerful distraction in every driver’s hand. Gas prices dropped and consumer preferences shifted toward larger SUVs and trucks. Speed limits on many arterials crept upward or stayed high while surrounding land use became more pedestrian-dense. And infrastructure spending continued to prioritize vehicle throughput over safe crossings.
Each of these trends, on its own, would nudge fatality numbers upward. Together, they compound. A distracted driver in a tall SUV traveling 45 mph on a wide, unlit arterial through a low-income neighborhood represents the convergence of nearly every risk factor. That scenario plays out thousands of times a year across the country, and it explains why pedestrian deaths have climbed so sharply even as vehicle safety technology has improved and overall traffic deaths have remained relatively flat.