I've always thought that the faster you drive, the greater your risk of injury or death. But this isn't quite true. As Aaron Carroll explains below, the best predictor of driving safety is the amount of variation in speed between cars. If everyone is going about the same speed, then things are relatively safe. But if some people are going much faster than others, then not so much. This means that, on some roads, increasing the speed limit can actually improve safety.
Check it out. --Ryan Cooper
Subscribe to The Week
Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.
Sign up for The Week's Free Newsletters
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
-
5 inexcusably hilarious cartoons about Ghislaine Maxwell angling for a pardonCartoons Artists take on the circle of life, Ghislaine's Island, and more
-
Ozzy Osbourne obituary: heavy metal wildman and lovable reality TV dadIn the Spotlight For Osbourne, metal was 'not the music of hell but rather the music of Earth, not a fantasy but a survival guide'
-
Codeword: August 2, 2025The Week's daily codeword puzzle
-
Nobody seems surprised Wagner's Prigozhin died under suspicious circumstancesSpeed Read
-
Western mountain climbers allegedly left Pakistani porter to die on K2Speed Read
-
'Circular saw blades' divide controversial Rio Grande buoys installed by Texas governorSpeed Read
-
Los Angeles city workers stage 1-day walkout over labor conditionsSpeed Read
-
Mega Millions jackpot climbs to an estimated $1.55 billionSpeed Read
-
Bangladesh dealing with worst dengue fever outbreak on recordSpeed Read
-
Glacial outburst flooding in Juneau destroys homesSpeed Read
-
Scotland seeking 'monster hunters' to search for fabled Loch Ness creatureSpeed Read
