Above, the motor cars from 1006 have been borrowed to haul the high speed track recording car which is normally hauled my locomotives, I don't know if the coach was fitted with jumper cables for multiple working or if the rear motor car was just dragged

The entire formation is seen leaving london Bridge station

Image by John Law

The images below we found on the London Transport Museum website which show the motor cars from 1003 hauling the high speed track recording car and is seen running on the Underground at Parsons Green on the District Line.

​They are dated 10th December 1981 and the motor cars have been renumbered after leaving their Tadpole formations but still retain the black triangle on the front.

Departmental Units

Temporary Formations

There has been a few cases where vehicles have been taken out of passenger use for a short period and used for departmental use