Planned evaluation of Congestion Charging

This reports describes a plan for suggested evaluation of the congestion charging trial in Stockholm. Purpose of the congestion charge trialThe purpose is to examine whether congestion charges can contribute to a more efficient traffic system. The main objective of the trial is to reduce congestion, increase accessibility and improve the environment. Sub-objectives of the trial: • Traffic volume reduced by 10-15% on the most heavily used roads • Increased average speed on streets and roads • Reduced emission of carbon dioxide and pollutants hazardous to health • Inhabitants will experience an improved urban environment Purpose of the evaluation planThe above objectives, the views of the general public, and the already existing strategy for evaluation are to underpin the evaluation of the trial. The strategy discussed what is to be evaluated, expressed in a number of measurable variables/indicators. The plan will discuss how this is to be done. This is a brief list of the areas and indicators that are proposed in the evaluation plan. Objectives of the evaluation plan• Ensure that the evaluation highlights relevant aspects of the congestion charges trial. • Fulfil stringent demands for quality of scientific method and factual content. • Ensure that the results of the evaluation have a high degree of validity and can be used for research and development in the field. Plan för utvärdering av tränselavgifter i Stockholmsregionen, Trendsetter Report no 2004:4, Swedish with english summary, 162 p.
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