Whether ring-shaped or jam-filled, doughnuts ranked fifth in a new poll by IMO Car Wash.Crisps, however, took the crown as the nation’s number-one road trip snack, with nearly two-thirds of respondents (64%) picking them as their favourite. But while doughnuts are popular, they’re also seen as one of the messiest snacks to eat on the move. Doughnuts named a top road trip snack (Image: KN/MI)Britains Top 10 Road Trip SnacksCrisps – 64% Sandwiches – 56% Sweets – 55% Chocolate – 42% Doughnuts – 31% Fresh fruit – 30% Sausage rolls – 20% Protein bars – 19% Pastries – 18% Pork pies – 13%To celebrate the results, IMO is giving away one million free Greggs doughnuts with every car wash throughout September, letting customers enjoy a sweet treat without worrying about the mess. Download the IMO app here: Get the IMO Car Wash AppThe promotion runs until September 30th and is available via the IMO Car Wash app or on-site using Quick Pay. But once they’re gone, they’re gone – so don’t hang around.”