§ Mr. Hillasked the Secretary of State for the Environment if he will reexamine the possibility of a motorway
Distance travelled due to driver reaction feet Vehicle Stopping Distance feet Total Distance feet 30 m.p.h. … … … … … … … 30 67 97 40 m.p.h. … … … … … … … 40 119 159 50 m.p.h. … … … … … … … 50 185 235 60 m.p.h. … … … … … … … 60 267 327 70 m.p.h. … … … … … … … 70 364 434 In practice many vehicles will give 10–15 per cent. better performances than the minimum legal requirements provided the vehicles are properly maintained and tested on road surface of good adhesion.