The phrase "local bus" refers to a public transportation service that operates within a specific area, such as a city or town. It is a mode of transportation that picks up and drops off passengers at different stops along a designated route.
• Ask their local authority / passenger transport body what measures they have in place to ensure adequate accessibility of local bus services. (politics.co.uk)
We have parking for your car, but we are also on local bus routes. (care.com)