article_snippet: Traffic on the M25 anti-clockwise towards the Dartford Crossing .
article_snippet: Poll is published ahead of the Easter Bank Holiday getaway, when 16million people are expected to hit the road.
article_snippet: TomTom Traffic Index 2015 .
article_snippet: The survey was carried out by sat-nav firm TomTom, which analysed 12trillion pieces of traffic data worldwide.
article_snippet: Its vice-president for traffic, Ralf-Peter Schaefer, said: ‘Road authorities and local governments can use traffic data to better manage traffic flow and businesses can plan smarter working hours.
article_snippet: Roads over the long Bank Holiday and extended school-holiday break are set to be 'twice as busy this Easter', says traffic information firm INRIX which monitors flows on the nation's highways.
article_snippet: And journey times to major airports like Heathrow and Gatwick are set to quadruple from Thursday as gridlock on the key M25 orbital motorway between Leatherhead J9 and the M1 at J21 suffers delays of two hours.
highlights_snippet: Poll published before Easter Bank Holiday getaway, when 16m will hit road .