Which line is CTB's first 專營巴士.

Which line is CTB's first 非專利巴士路線.

Which line/lines is the most expensive bus line?

Which franchised bus route has an average speed of speeding up of CTB?

Which bus line has the most branches of CTB?

Which non-24-hour service bus route has the longest service time?

Which is the first bus route with the word "N"?

Which is the existing conventional bus route headed by the "X"?(CTB)

Which is the first bus route with the word "T"?

Which franchised existing bus route with 6xx doesn't service kowloon?

Which existing franchised bus route with 3xx doesn't service Kowloon?

Which existing franchised bus route with 2xx just service Hong Kong Island?

Which bus line doesn't exist?

Which bus line doesn't exist?

Which bus line doesn't exist?

Which bus line doesn't exist?

Which bus line doesn't exist?

How long is 6500?

Which bus line doesn't exist?