HC Deb 11 January 1988 vol 125 c132W
12. Mr. Pike

To ask the Secretary of State for Transport what improvements he expects to introduce in hazard warning lights on the motorway system in 1988.

Mr. Peter Bottomley

Improvements in standards of design, operation and provision are continually being made. In 1988 trials will be undertaken of equipment to detect incidents and operate signals automatically. Matrix signals will be installed throughout M25 as part of a new control system.