Well I'm pretty sure the cats eyes thing is bollocks:
Road Traffic Act 1988 Section 36 says:
Where a traffic sign, being a sign—(a) of the prescribed size, colour and type, or
(b) of another character authorised by the Secretary of State under the provisions in that behalf of the M1 Road Traffic Regulation Act 1984,has been lawfully placed on or near a road, a person driving or propelling a vehicle who fails to comply with the indication given by the sign is guilty of an offence.
The Traffic Signs Regulations and General Directions 2002 regulation 10 says:
10. - (1) Section 36 of the 1988 Act shall apply to each of the following signs -
..
(d) the road markings shown in diagrams 1013.1, 1013.3 and 1013.4 insofar as those markings convey the requirements specified in regulation 26;
..
And diagram 1013.1 looks like this:

No mention of cats eyes.

