nightjar wrote:

Nothing I can see in the Traffic Signs Regulations and General Directions
2002 says that the sign marking the start of the speed limit has to be
larger than the repeater signs.


The law sets out minimum requirements, but there is good practice which
goes beyond this:

http://www.dft.gov.uk/stellent/group...ds_504746.hcsp

Terminal signs are recommended to be significantly larger than
repeaters.

--
"Neurotic: Self-taut person."