@abc7newsbayarea: A five-year ban on San Francisco's historic downtown artery has ended. Some autonomous (Waymo) and human-driven rideshare vehicles (Uber Black and Lyft Black) are now allowed to cruise down Market Street during certain hours. But critics say it will mean an increased safety risk for pedestrians. #marketstreet #sanfrancisco #carfree #waymo #uber #lyft #transportation #traffic #driving #abc7news #fyp #foryoupage