Development of an evaluation system for the consideration of environmental criteria in road planning

Abstract

The necessity to consider environmental impacts in transport planning requires the analysis and assessment of the impacts caused by planning measures. For this purpose, an operational evaluation procedure with a utility-value-analytical approach is developed and examined with regard to its applicability. In detail, quantification and evaluation possibilities are shown for 6 traffic-related and 10 environment-related, planning-relevant criteria. In contrast to a pure environmental impact assessment, all positive and negative impacts and the respective affected potentials can be derived for these criteria on the basis of a network- and space-related approach.The summary of the element-related impacts leads to impact profiles that reflect the quality level of the alternatives with regard to individual criteria. Here, it has been shown that the results of the impact analysis in combination with the impact profiles can be a sufficient decision support. By the weighted aggregation of the achieved quality levels per criterion to a point value characterizing the overall quality of an alternative, a further decision support can be given in a relatively abstract form for complex evaluation problems. In the applicability study it became clear that the procedure can react relatively sensitively to the choice of the target system, the evaluation functions and the weights with regard to the weighted aggregated evaluation results. Thus, particularly careful handling is required for these areas.

This Abstract was translated from German with deepL and could be faulty.