"To move the bus" is a phrase used to describe making a big and significant change, often to improve a situation or achieve a goal. It suggests taking action and making progress towards a desired outcome. Full definition
The new agreement will enable passengers to board and disembark from the safe, weather - protected Union Station bus deck, improve access to other transportation and retail options available at Union Station and reduce congestion in the District by moving buses off of busy city streets. (transportation.gov)
The offsite lot will keep bus traffic flowing smoothly on the Union Station Bus Deck, help the District move bus parking off of city streets, and provide facilities and services to better meet the needs of bus drivers. (transportation.gov)
So when Thom got off the bus in search of some oranges, assuming he had about the same amount of time at stop # 2 as he did at stop # 1, you can imagine my surprise when — after five minutes — the bus driver pulled away and I was sitting there trying to figure out if he was actually pulling away or just moving the bus (like he did at the first stop). (ohladycakes.com)