There are more unmarked cars around than you might think, and in many ways are more effective at catching actual offenders than marked cars where everybody near them drives like a saint. 😂
I was in a queue behind an accident on the A1 the other week, a few cars were using the slip road to exit at a junction a good mile up the road, and it was very satisfying to see one pulled over by an unmarked car a few yards to my left on the hard shoulder. 👍
Forces have cut their traffic departments over the years, but speaking to ex colleagues I believe that trend is reversing now, as there’s a realisation that driving standards are going backwards.
Also, sending in dash cam footage is becoming a thing, more forces are setting up web pages where you can upload poor driving, and they will take action. Enforcement has always worked on a flag system before dash cams were common, call in some bad driving and a note is made, somebody else reports some poor driving and the police take more of an interest.
I sent in some front and rear dash cam footage of a lorry driver dangerously tailgating me, didn’t think much of it, but a police officer contacted me a week or so later and said the driver had been spoken to. Good stuff, and something to bear in mind next time people play silly buggers.