From trams and trolleybuses, all of the way up to the new low emission buses launched just last year, buses certainly have undergone a transformation over the decades.
Take a stroll down memory lane:
9. 1940s
These look so quirky now! Buses at Gosport Ferry Gardens during the 1940's Photo: -
10. 1939
Evacuees queue up for the buses, again showing the important role they all played during the war. Photo: -
11. 1980
This brightly-coloured bus is pictured at Bristol Road, Southsea in 1980 Photo: -
12. 1901
This picture of what was then known as Town Hall Square almost looks like another world! When trolley-buses were introduced the engineers only measured headroom over the tramway tracks and then found that a trolleybus would not pass under the bridge to the right of the picture (where the sailor boy is standing) so what is now Isambard Brunel Road had to be lowered. (Photo by Hulton Archive/Getty Images) Photo: Hulton Archive