Double Decker Bus ?

[UK-Shorty - SHUTDOWN!]

singe decker buses are boring and you have too many of them can they create a bus thats either double decker and another city to expand into ?

[PsychoCow]

Double deckers may be an option for the future. A map expansion is already in development: https://trello.com/b/EwaZY24n/bus-simulator-18-roadmap-pc