British social attitudes survey results for Great Britain for the year 2015.
Concern about congestion is rising:
- in towns and cities, from a low of 39% in 2012 to 55% in 2015
- on motorways, from a low of 22% in 2011 to 37% in 2015
74% of respondents say they are willing, when next buying a car, to buy one with lower CO2 emissions.
Concerns about exhaust fumes in towns and cities have risen, from a low of 44% in 2012, to 60% in 2015.