Though they’re designed to make driving a safer, quicker and more enjoyable affair, smart motorways have become ... displaying a new limit, and the speed cameras altering their settings, meaning ...
They flash up on overhead gantries ... obliged to comply with these temporary speed limits, with cameras in place at certain sections of the motorway ready to punish those who do not.
“It appears that many motorists think the speed cameras on smart motorways are only in operation when the matrix signs on the gantries show a variable speed limit, say 50mph or 60mph.
Many cameras will produce a bright flash if you’re driving over ... 40mph or 50mph on slightly faster roads, and national speed limit zones such as motorways, which are usually rated at 70mph.