When I was interviewed for a job, I was asked to complete a driving assessment which I did successfully. They then told me I would have to go for a medical. This was arranged some days later, and again I passed without any trouble

Formal Interview, wear a tie, shirt, trousers and shoes, Drugs and alcohol test, Driving assessment, Written test which includes ;highway code; customer care and maths(Money handling), A full criminal record check paid for by the company.