A driver in Los Angeles was ticketed for using a jacket carefully wrapped around the front seat with the seatbelt fastened across it to resemble a person to cheat carpool lane laws

CHP pulled the driver over on the 10 Freeway on March 3 for using the HOV lane without a passenger. $500 dollar ticket minimum

https://ktla.com/news/local-news/l-a-county-driver-caught-using-phony-passenger-in-carpool-lane-chp/