How America Broke the Speed Limit
The lifesaving law that nobody wants.
This was a great read on transportation, systems thinking, politics, and policing.
“But the 85th percentile rule contains a fundamental truth: Drivers respond to the road they are given. Engineers use this rule to foster a cycle of wider, clearer roads and higher speeds. But the same logic could be employed in the opposite direction, too, in places where drivers and pedestrians interact.
There are three basic changes we could make to America’s roads, cars, and drivers to address speeding at its root. First, we could design roads to keep drivers at safe speeds. In rural areas, that means replacing intersections with roundabouts—a change associated with cutting crash rates by more than 50 percent. In cities, that means narrowing streets and intersections, building out curbs and speed bumps, and changing pavements to materials like paving stones that slow drivers down.”Posted on 2021-12-20T22:39:08+0000