Wolfram|Alpha

Computing...

Input interpretation:

United Kingdom | total vehicles in use per road length


Result:

128.7 vehicles per mile  (2005 estimate)


Vehicles in use:

passenger cars | 27.5 million vehicles  (2005 estimate)\ntrucks and vans | 3.4 million vehicles  (2005 estimate)\nbuses | 178000 vehicles  (2005 estimate)\nmotorcycles | 1.2 million vehicles  (2005 estimate)\ntotal | 32.3 million vehicles  (2005 estimate)