ickle question

[Parrot of Doom]

The other day, driving up to J8/9 of the M60 (while still on the A56 out of Manchester), I saw an Astravan or similar parked in a layby with a camera against the back doors, unmanned, and a bright red LED 'DVLA' sign.

So whats that about?

[tvrgit]

ANPR and road tax