The Highway Code sells one million copies a year in the UK, and everyone who has taken their driving test has read it. Trouble is, we tend to forget the best practices. This year, the Highway Code, first published in 1931, celebrates its 75th anniversary. This is what the Highway Code said…

1931 edition: What should drivers do with their whips? Drivers should "rotate the whip above the head, then incline the whip to the …