Ars Technica - All Content

America has been getting more and more dangerous for pedestrians over the past few years. It's a trend with several contributing factors—our built environment prioritizes passenger vehicle traffic and encourages speeding, and traffic enforcement is virtually absent in many cities. But it's undeniable that vehicle design—particularly of large pickup trucks and SUVs—has been causing excess casualties. For example, a study published in January found that an increase in hood height of four inches (100 mm) translated to a 28 percent increase in pedestrian deaths.

With that stats why have they even waited so long?