Presentation: Standard and Poors: Toll Road Forecasting Risk: Study Review & Update 2003

01 January 2003

This presentation by Robert Bain of Standard & Poor's Rating Services gives background information on Standard & Poor's ongoing research on the credit dynamics of the evolving road toll sector — in particular, optimism bias and error in toll road traffic forecasting.

The presentation outlines the results of a 2002 international retrospective on toll road traffic forecasting performance and gives updated results from 2003 research on the subject. It discusses error drivers in toll road traffic forecasting distilled from its research and presents four key future challenges for future forecasting.

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