§ Sir John Farrasked the Secretary of State for Transport what analysis his Department has made of the Marconi MET-3 electronic fog detection system which has been in use on the M4 for the past nine months.
§ Mrs. ChalkerThe initial trial of the Marconi MET 3 fog detection system on the M4 commenced in November 1983. Following modifications by the company in November 1984 to overcome technical problems, the trial and evaluation has been extended.