British road traffic increased by record 2.2% last year

Vehicles travelled 317.8bn miles in 2015, overtaking previous record from 2007, according to Department for Transport figures

Britain's roads were at their busiest ever in 2015, when total traffic overtook the pre-financial crisis peak.

Figures released by the Department for Transport show that vehicles travelled 317.8bn miles on British roads last year, edging past the previous record from 2007.