One fifth of working age population outside of London use bus at least once a week.
The first bus ever made was in 1662.
With 1.4 billion shopping trips per year, and an average spend of £29.66 this gives a total estimated retail spend by bus users in GB of £21 billion.
Blaise Pascal invented the first public bus; a horse drawn, regular route and fare system.
Sources: www.greenerjourneys.com, www.whenwasitinvented.org