THE NEXT time you are stuck in traffic, look around you. Not at the cars, but the passengers. If you are in America, the chances are that one in 75 of them will be killed by a car—most of those by someone else’s car. Wherever you may be, the folk cocooned in a giant SUV or pickup truck are likelier to survive a collision with another vehicle. But the weight of their machines has a cost, because it makes the roads more dangerous for everyone else. The Economist has found that, for every life the heaviest 1% of SUVs or trucks saves in America, more than a dozen lives are lost in smaller vehicles. This makes traffic jams an ethics class on wheels.
Each year cars kill roughly 40,000 people in America—and not just because it is a big place where people love to drive. The country’s roads are nearly twice as dangerous per mile driven as those in the rest of the rich world. Deaths there involving cars have increased over the past decade, despite the introduction of technology meant to make driving safer.
Weight is to blame. Using data for 7.5m crashes in 14 American states in 2013-23, we found that for every 10,000 crashes the heaviest vehicles kill 37 people in the other car, compared with 5.7 for cars of a median weight and just 2.6 for the lightest. The situation is getting worse. In 2023, 31% of new cars in America weighed over 5,000lb (2.27 tonnes), compared with 22% in 2018. The number of pedestrians killed by cars has almost doubled since 2010. Although a typical car is 25% lighter in Europe and 40% lighter in Japan, electrification will add weight there too, exacerbating the gap between the heaviest vehicles and the lightest.
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Then the price of everything goes up. We already have a solution to semis damaging roads. They can’t drive on most roads unless their delivery is on it. Otherwise they have to use specific roads that were built for the weight.
Roads aren’t built to last forever. They all need maintenance. Semis cause more wear and damage on all roads, requiring more repairs. So yes, if that cost isn’t already baked into the cost of trucking everything, it only makes sense to start doing so.
The other option, is to give up on the idea of vehicles paying for roads. We could just use general tax money from everyone, as everyone benefits from quality roads. That would also be logically consistent.
I am a-okay with the general tax being enough to cover everything instead of dealing with the headaches we have now.
That is what we have now. Mostly.
The current vehicle taxes are never close to covering the costs of road maintenance.