HC Deb 20 December 1985 vol 89 cc405-6W
Mr. Richard

Page asked the Secretary of State for Transport if he will list the projected traffic flow figures for the M1-M25 junctions in both east and west directions on the M25 and the dates when these projections were made.

Mrs. Chalker

The complete range of traffic movements between the M25 and M1 motorways will be accommodated by the M25/M1/A405 junctions complex rather than by the M1/M25 interchange alone. The most recent projections, for the year 2001, were made in January 1984 and are shown in the table. Where a range is given it represents low-high economic growth forecasts.

Two-way Traffic Flows Vehicles per 16-hour average annual weekday
M25 west-M1 north 18,000–22,000
M25 east-M1 north 17,000–23,000
M25 west-A405 south 1,000+
M25 east-A405 south 4,000+
Ml traffic through interchange 58,000–71,000
M25 traffic through interchange 32,000–47,000

Not all this traffic will transfer to or from the M1; some will remain on the A405.

Mr. Richard Page

asked the Secretary of State for Transport if any studies are being carried out into the possibility of adding further carriageways to the M25; and if he will make a statement.

Mrs. Chalker

No specific studies are being undertaken at present into the provision of additional carriageways on the M25. However, some sections have been designed to take additional lanes should they prove necessary. Traffic levels are being monitored and the situation is being kept under continuous review.

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