Using panel data to evaluate road safety countermeasures.

Author(s)
Rockliffe, N. Symons, J. & Tsolakis, D.
Year
Abstract

This paper studies the effectiveness of the Queensland School Transport Safety Program (SafeST). The authors main general conclusion is that good statistical practice can improve the accuracy of forecasts of the effects of a countermeasure by an order of magnitude. Conversely, poor practice, in particular an inappropriate model specification coupled with a small data sample can produce imprecision. In particular, the authors suggest that unobserved demographics are generally best modelled by stochastic trends, as these allow for the demographic effect to wander away from a linear trend if this improves the fit. The authors show how the model can be estimated by GLS in these circumstances and demonstrate that efficiency gains can result. (Author/publisher) For the covering entry of this conference, please see ITRD abstract no. E210413.

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Publication

Library number
C 29023 (In: C 28997 CD-ROM) /81 /71 / ITRD E210366
Source

In: ATRF03 : [proceedings of the] 26th Australasian Transport Research Forum (ATRF) : leading transport research in the 21st century, Wellington, New Zealand, 1-3 October 2003, 24 p.

Our collection

This publication is one of our other publications, and part of our extensive collection of road safety literature, that also includes the SWOV publications.