It found that 17% of drivers fail to drive a safe distance from the vehicle in front and almost 30% never use the correct lane when approaching a roundabout.
It was also found that 61% of drivers regularly break the 70mph motorway speed limit and 10% never move out of the way for oncoming traffic joining the motorway.
The survey also quizzed drivers on what annoyed them about other drivers: Tailgating was top followed by cutting in on other road users and bad lane discipline.
Graham Hale, head of corporate business at Bank of Scotland Vehicle Finance, which carried out the research, said: ‘Results published earlier this year by the bank highlighted that since 2002 business mileage had increased by 20%.
‘Employers should be questioning whether increased time behind the wheel leads to bad driving habits.’