Traffic congestion at a standstill in both directions on M25 motorway, London, United Kingdom

air pollution automobiles blockage bottleneck bumper to bumper busy roads carbon footprint city living commuters congested crawling daily grind drivers driving on the left environmental damage exhaust emissions freight trucks frustration fuel consumption global warming gridlock heavy traffic homeward bound jams long distance lorries major routes nose to tail not moving petrol vehicles polluted air population explosion population growth rat race right hand drive road conditions road lanes road rage rush hour rush hour slow moving stationary tail backs tail back toxic fumes transport transportation vans volume of traffic wasting time autobahn cars commuting daytime fossil fuels freeway going nowhere heading home horizontal jam journey journeys motorways outdoors outside over populated polluting pollution stock image stock photo stock photograph travel travel destinations travel destination london england color image color colour tourism destination united kingdom uk