You don’t see a lot of good news about road safety in the United States. Unlike in most peer countries, American roadway deaths surged during the pandemic and have barely receded since. Pedestrian and cyclist fatalities recently hit their highest levels in 40 years, but U.S. transportation officials continue to ignore key contributing factors. In a February interview with Fast Company, Transportation Secretary Pete Buttigieg said that “further research” is needed before addressing the obvious risks that oversized SUVs and trucks pose to those not inside of them. Happily, there is one area where we are making at least marginal...