The school summer holidays got off to a great start, with blue skies and sunshine. Great, that is, unless you were stuck in a 12-mile traffic jam on the way to catch a ferry in Dover. The tailbacks at the port meant that families had to endure up to 16 hours stuck in the heat in unmoving traffic. That’s a lot of games of I spy.

While this summer’s jams surely can’t get any worse than this, it’s inevitable that thousands of families will face some delays or disruption while travelling over the school summer holidays. So we’re calling on you for tips on how to survive long car journeys.

How do you stay alert? How do you entertain the kids? How do you prevent squabbling – between the children or adults? And if you feel the need to share the pain, tell us about your worst car journey, and how you got through it.

You can share your tips and stories in the comments below.