So I’m driving along the motorway doing the speed limit in the outside lane, when what do you think happens? I find myself in what feels like a high-speed chase.

Some maniac has woven in and out of the traffic to slam up behind me, flashing his lights. He’s so close to my rear bumper, it looks like I’m towing him. I move, he moves. I feel like a duck trying to shake off an unwanted drake. If I had to brake sharply, he’d crash into me for sure. My young daughter is sitting in the back seat.

There’s nowhere for me to go, that’s the thing. All the lanes are busy. The idiot can see perfectly well there’s a long line of cars ahead of me, all doing the same speed. I couldn’t speed up even if I wanted to.

There’s nothing else for it but to get out of his way. Not because I want to – I’m furious at being treated like this – but because this man’s behaviour is putting every car nearby at risk of a high-speed crash.

I move into the middle lane. As he roars past at God-knows-what mph, screeching up to the car in front, I see that he only has one hand on the steering wheel.

There are some eejits on Scotland’s roads. As you’ll know if you drive, this incident, from last month, is not unusual. Tailgating, weaving and swooping – when people hurtle up the fast lane and then slice across two or three lines of traffic to exit onto a slip road – happen all the time.

I’m not claiming to be a perfect driver, but some........

© Herald Scotland