Regional Traffic by Vehicle Type - Introduction
Regional traffic by vehicle type:
Figures for 1999 to 2001 have been produced on a new basis and are not directly comparable with earlier figures.
The new figures for 1999 to 2001 are already considerably more accurate than those produced for earlier years. It has still not been possible to consider the changes that ought to be made to estimates prior to 1999. However, adjustments to earlier years will be carefully considered over the coming year, once the review of expansion factors is complete and the 1999 to 2001 values are finalised. A new series of regional data by vehicle type, prior to 1999, will be published as soon as it is ready.
