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Expertise: Evaluation and Appraisal

Evaluation of transport measures (including schemes, systems, strategies and policies) forms a core part of TTR's workload. It can take place at various stages, including initial appraisal during feasibility studies, detailed appraisal while a measure is being designed and developed, and post-implementation evaluation after a measure has been implemented. We also undertake longitudinal monitoring to assess how impacts and responses change over time once a transport measure is in operation.

Our expertise was recognised by the European Commission when we were awarded a contract to lead the MAESTRO project, which produced comprehensive guidelines for the European Commission on how to evaluate transport demonstration projects.

Evaluation can involve a range of activities in order to address different aspects of performance, as recognised within the Government NATA (New Approach to Transport Appraisal) guidelines. These aspects include:

These can be brought together within a cost-benefit or cost-effectiveness analysis or, increasingly, within an overall NATA-style appraisal framework.

For examples of evaluation and appraisal projects undertaken by TTR, go to Experience: Evaluation and Appraisal

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