Re: Cars
Yes that's the letter of the law. You also can be prosecuted for picking your nose whilst driving.
Unfortunately it is the letter that they usually go by. It might even be a statutory offence, where there is no wiggle room at all. I wouldn't jump a red light, not even for an emergency services vehicle.
http://www.dailymail.co.uk/news/article-1204944/Driver-gets-60-fine-moving-yard-red-light-let-police-van-999-pass.html