There's also this link. that may have a slightly different view:
https://roadsafetygb.org.uk/news/concerns-raised-as-data-shows-nearly-half-of-speed-cameras-inactive/There's a bit of bulls hit bingo in there as well:Gary Digva, founder of Road Angel said: “It’s shocking to see how many speed cameras across the country are standing inactive and are
letting speeding motorists get away with driving dangerously. “In total with all of the police forces who responded to our Freedom of Information request, there are 1,069 fixed speed cameras across the country. Out of this, there are 496 inactive speed cameras.
“This means that almost half of speed cameras on our roads are out of operation (46%).
“We are urging local authorities and police forces to ensure speed cameras are fully working to
catch speeding motorists who may be driving recklessly by breaking the limit. “This in turn will help to reduce the number of
dangerous drivers and help to keep our roads safer for everyone."
Driving dangerously, dangerous drivers, driving recklessly, nearly got a full line across there.
Speeding doesn't always equate with reckless or dangerous driving. Even Road Angels own figures suggest that under 25% of KSI are due to exceeding speed limit or too fast for conditions. Figures I looked up a few years back when this was a ho topic on the old PPP site was that about 12% of KSI were due to drivers exceeding the speed limit.