Most Americans trust things they do not fully understand every day. They trust traffic lights. Crosswalks. Driver’s education. The rules are visible; the expectations are shared. Trust follows. That ...

The number of older drivers on the road is climbing. Safety advocates want tougher rules for relicensing, but many drivers ...

Even when you can ride a bike on a sidewalk, it’s not always the right move. Kim Hughes McClatchy Q: Is it no longer advised to walk your bike in a crosswalk? If there was a bike-safety class ...