“National Highways had ‘absolute’ faith in the technology and that the incident, in which a van drove into a stationary HGV, ‘falls into the 20%’.
He said: ‘We’re very clear about the specification of [SVD], which is that it is to spot at least 80% of stopped vehicles, not 100%.'”
and I’m sure a waffled, cover up of an admitted fault will really comfort the badly injured driver
“The M4 [incident] was a particular issue with some of our back office systems that were offline at the time – we’ve now corrected the system so that can’t happen. The scheme was still in operational acceptance so, as tragic as it was, this was a shortcoming of a system that [hadn’t yet] been handed into business as usual.
full article here