you can carry pram while baby is inside up the bus from the back door. usually bus drivers will open for you once you signal to them. just need a few seconds of heavy lifting up the bus, no issues one. sometimes passengers who are kind will help you lift too! dont worry so far most of my bus rides, 90% some kind hearted soul will help me carry up or down!
but do note that during peak hours, you wont be able to get up the bus unless you can fold the pram.
Ummkha