Transport policy appraisal with equilibrium models II: Model dependence of highway investment benefits

H. C. W. L. Williams and H. S. Lai

Transportation Research Part B: Methodological, 1991, vol. 25, issue 5, 281-292

Abstract: We extend the treatment of paper I to consider the contribution of various travel responses to user benefits when constrained spatial interaction models are adopted to appraise a variety of highway projects. A comparison is made of the benefit measures derived from constrained and unconstrained model forms, and the implications for the methods of investment appraisal assessed.

Date: 1991
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