An elegant fix for one of America’s deadliest road problems

In 2012, Southern California was besotted with an unlikely celebrity: a telegenic mountain lion who had crossed one of the state’s most perilous freeways, seeking a territory to call his own. Widely deemed “LA’s loneliest lion” and “most eligible bachelor,” the chiseled puma in question, named P-22, roamed the bustling but otherwise big cat-less Hollywood […]