San Francisco’s Speed Cameras Are, Indeed, Working
Since speed cameras were first installed in San Francisco last February, an average of 40,000 speeding cars have been taken off the road each day.
The survival odds between a 20mph car crash and a 40mph car crash are unnervingly stark. A pedestrian or cyclist struck by a vehicle traveling at school zone speeds has about a 90% chance of surviving that crash, with the odds of walking away without major injuries at about a coin toss. But doubling that speed sends those favorable odds on a perpetual nose dive; pedestrians and cyclists involved in car crashes at those speeds have just a 20% of surviving, and, if they do, it’s almost certain they’ll suffer life-altering major injuries as a result of their flesh meeting metal. San Francisco’s pedestrian deaths exist well within the understood...
