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The city 's public transport system is an important part of the urban road traffic , Contact the key aspects of the national life , social life , and circulation . Since the reform and opening up , the city public transport has been rapid development, but its development has lagged far behind the growth of the urban population and the economy , lead to urban traffic congestion , public transport service levels a series of serious problems , therefore , to establish scientific rigor evaluation model accurate assessment of the status of public transport , in order to take targeted measures to improve the city 's public transport service levels , has become very necessary . Firstly, start from the status quo elaborate public transport system at home and abroad on the basis of a detailed analysis of the current situation and the problems of evaluation studies of the public transport system at home and abroad and the influencing factors that affect the level of urban public transport , establish a safety , efficiency , convenience , comfort four -level indicators , 17 secondary indicators comprehensive evaluation index system . Delphi method , the information entropy (IE) and not indeed known measure (UM) introduced urban public transport evaluation of the field , using the Delphi method to determine the qualitative indicators of the right weight , with information entropy to determine quantitative indicators of weight , to achieve a qualitative analysis and quantitative analysis organic combination . This will not only reduce the subjective judgment of the individual expert , also reflect the true thoughts of the experts in the evaluation process . Therefore, this method makes evaluation results more reasonable and scientific . Establishment of the urban public transport service level evaluation model based on the IE-UM and then take advantage of the city 's public transport service levels from four aspects of security , efficiency , convenience , comfort , service levels of urban public transport Comprehensive Evaluation for the Government provide the basis for decision-making and public transport sector . Finally, Handan City , for example , based on survey data Handan City Public transit line , the use of the established model , from the four empirical studies , the correct positioning of the Handan City Public transport service levels , and its development asked the scientific and effective suggestions and measures , the instance to verify the correctness of the model , as well as evaluating the feasibility of the method .
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