Tuesday, January 16, 2007

Impressive futurology

The 1971 Roskill commission on air transport predicted 260m passengers flying from London's airports in 2006. The actual figure in 2005 was 229m. Unfortunately the estimates were steadily lowered over the intervening years as numbers never were as high as the targets - by 1990 the 2000 estimate was down to 130m at the highest.

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