Authors: Capita Symonds Document Reference: 514324 Publication Date: 05 March 2012 08:13 Assessment Level: Addition to the evidence pool Peer Review Information: N/A Topics: No related topics Executive Summary A 2km section of the M4 between J5 & J6 has had its 250W high pressure sodium (SON) lamps replaced with 140W Cosmo white lights. These…

Published date:05 March 2012 08:13

Type: Report