 and from the listeners who support this NPR station. This is Morning Edition from NPR News. I'm Sasha Pfeiffer. And I'm Steve Inskeep. The number of people killed on American roads declined slightly last year, but that number is still over 40,000 in one year. Cities around the country are trying to bring the numbers down, and they're getting federal infrastructure dollars to help, although they face some roadblocks. Here's NPR's Joel Rose.