No - those that operate a route of no longer than 50 km (31 miles) don't need tachographs.
The drivers still have to comply with UK drivers' hours of course.
Some operators split longer routes into sections under 50 km long.
This is considered an acceptable 'fudge'.
The bus and driver continue, but the destination is changed.
Arriva run their 685 from Newcastle to Carlisle via Haydon Bridge.
RE: Go North East: Latest News & Discussion - August 2015