You can’t put average speed cameras on every stretch of road, they can not work in a single stretch of road like a motorway or dual carriageway
This well intentioned but utterly wasteful policy is unenforceable. Draketwat is dumb enough to think the opposite.
Outside schools etc fair enough. There was a woman killed in Victoria park, the driver was doing about 10 mph, but failed a drug driving test. So if a car doing 10mph can kill, using drakey logic lets enforce a 5mph limit