Market used to be closed to all cars (2021-2025); only taxis and busses were allowed but that changed recently: https://www.sfmta.com/blog/creating-better-mark

Market used to be closed to all cars (2021-2025); only taxis and busses were allowed but that changed recently: https://www.sfmta.com/blog/creating-better-market-street-car-free-enforcement-resume https://www.sfmta.com/blog/creating-better-market-street-car... https://www.planetizen.com/news/2025/08/135849-sfs-market-street-will-no-longer-be-car-free https://www.planetizen.com/news/2025/08/135849-sfs-market-st... Wonder if that explains your observed preference. I'd bet Waymos will start utilizing the route again if it aligns with Google's mapping algo.