The amount we drive is a matter of public policy, shaped by land use and transportation policies that underinvest in transit and make walking and biking ever more dangerous. We can flip that starting now.

For the first time in U.S. history, federal regulators are taking steps to help ensure vehicles are safer for those outside cars. Here are a few important aspects of this complex issue and how you can comment.

A viral video out of California is sparking conversation about dangerous driving. But the real villain here is barely mentioned at all: a multi-lane street designed to encourage speeding,