The US has similar laws, you must take a 30 minute break after 8 consecutive hours of driving and you can only drive 11 hours in a day. The point I was trying to make has nothing to do with how long you can drive safely in a day. 8 hours is still within safe limits according to our government.

> Size of the country has no impact on this - people become tired and distracted during long drives.

But size of the country (and more importantly, density) has a massive impact on how far people drive and how frequently.