https://www.abc15.com/national/video-funeral-home-worker-hauling-body-caught-in-nevada-hov-lane
Only living passengers qualify for HOV lane use, apparently.
caught inhov lanevideomanhauling
https://www.cbsnews.com/boston/news/boston-hov-lane-mannequin/
Police are reminding drivers that imaginary friends don't count in the HOV lane after a driver was caught with a mannequin passenger in South Boston.
south bostonhov lanedrivercaughtmannequin