liden up ie gaps
10th November 1978, Page 23
10th November 1978
Page 23
Page 23, 10th November 1978
— liden up ie gaps
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WY goods vehicles are .e likely to follow each T closely than cars, accorto a report issued by the isport and Road Research Dratory.
le report, No 859 Close )wing behaviour at two ; on rural two-lane motor;s, by R. Sumner and C. uley, goes on to say that is a cause for concern as in general require greater ping distances.
udy Sites for the survey e the M4 between junc s 23 and 22 and the M5 veen junctions 4 and 3.
t the highest flow rved, all movements, says report, could have been )mmodated on the motors with an average gap of r seconds between cies. • is indicates that the close awing could not be Lbuted to traffic overload.