HC Deb 27 April 1989 vol 151 cc633-4W
Mr. Tim Smith

To ask the Secretary of State for Transport if he will give the one-way peak-to-daily flow ratio for the M25(a) as predicted for the London orbital motorway at the 1974–75 public inquiry into the A10-Al2 section of the motorway by the Department's traffic witness, (b) as recorded, for each section for which data is available, when the M25 was fully opened in 1986 and (c) as recorded in the latest available year.

Mr. Peter Bottomley

[holding answer 24 April 1989]: The ratios of peak to 24-hour weekday flows for the M25 at November 1986 (first complete month fully open) (expressed as a percentage) are:

Junction number Clockwise Anticlockwise
J1 to J2
J2 to J3
J3 to J4 10.7 10.2
J4 to J5 9.2 9.1
J5 to J6 11.1 10.3
J6 to J7 11.4 10.6
J7 to J8
J8 to J9 9.7 9.0
J9 to J10 9.6 83
J10 to J11 9.2 85
J11 to J12 9.4 8.3
J12 to J13
J13 to J14 9.8 9.0
J14 to 115 8.7 8.6
J15 to J16 8.9
J16 to J17 8.3 8.6
J19 to J20 8.2 8.6
J22 to J23 8.4
J25 to J26 9.;8 10.9
J26 to J27 9.6 10.6
J29 to J30 8.5
Dartford Tunnel 8.5 8.8

The ratios of peak to 24-hour weekday flows for M25 at March 1989 (latest available month) (expressed as a percentage) are:

Junction number Clockwise Anticlockwise
J1 to J2
J2 to J3
J3 to J4 8.0 9.2
J4 to J5 8.2 8.3

Junction number Clockwise Anticlockwise
J5 to J6 10.9 9.6
J6 to J7 11.5 9.3
J7 to J8 9.9 8.7
J8 to J9 9.6 8.4
J9 to J10 9.6 8.5
J10 to J11 1
J11 to J12 1
J12 to J13 1
J13 to J14 9.6 8.4
J14 to J15 8.5 8.1
J15 to J16 7.7 8.2
J16 to J17 8.2 7.7
J17 to J18 8.0 8.3
J18 to J19 8.0 7.9
119 to J20 7.8 7.6
J20 to J21 8.1 7.8
J21 to J22 8.1 8.6
J22 to J23 8.1 8.0
J23 to J24 8.2 8.6
J24 to J25 8.4 8.8
J25 to J26 8.5 9.7
J26 to J27 8.3 9.7
J27 to J28 9.2 10.3
J28 to J29 8.4 9.0
J29 to J30 7.4 8.0
Dartford Tunnel 7.5 7.8
1 No detailed data due to widening works.

Comparable prediction for 1986 and 1989 are not readily available from the papers of the 1974–75 public inquiry.

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