> let’s be say each car adds 5 metres of space At over 100 km/h that would be ideally 5m for a car and 70m for a safe distance between each one so 7,5km, which

> let’s be say each car adds 5 metres of space At over 100 km/h that would be ideally 5m for a car and 70m for a safe distance between each one so 7,5km, which is 4.5 minutes at 100 km/h or 9 minutes at 30 mph.