COOK, S and QUIGLEY, C., 1998. Motor vehicle and pedal cycle conspicuity: part 3 - retroreflective and fluorescent materials, validation report. Loughborough: Loughborough University
DfT Report;PPAD 9/33/13
The aim of these validation trials were to establish whether red retro-reflective markings in the Draft Regulation XA format perform as well as the yellow markings in the same format and to determine if either the yellow or red Draft Regulation XA markings perform significantly better than what is currently on the road.
Department of Environment, Transport and the Regions.