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Carpooling has been proven to be an effective Transportation Demand Management (TDM) measure by foreign practices and is developing rapidly as a form of public spontaneous behavior in most cities of China. After the questionnaire was designed with revealed preference (RP) survey method and stated preference (SP) survey method, the authors implemented an intercept survey within Wuhan to explore carpooling familiarity, response and market potential. This paper mainly focuses on the status and potential of carpooling, the carpooling information access channels and the respondents' attitudes toward carpooling. Considering the different subgroups, a comparative analysis method is used to examine their different demographic characteristics, daily commuting modes, and main concerns on the advantages and disadvantages of carpooling. Then their different responses to carpooling incentive programs are analyzed followed. The results indicate a great potential demand for carpooling. While the difficulties in coordinating travel time and fare among carpoolers, the absence of the relevant law and policy and the insecurity factors are among the main obstacles for the further development of the carpooling. Based on the analysis results, some practical and constructive strategies are presented finally.

The pedestrian violation crossing behavior (PVCB) of urban arterial road is the main object of the study. On the basis of measured data and qualitative analysis of PVCB influence factors (IF), the main factors are extracted by using factor analysis and the PVCB IF indexes system is established. Finally, adopting logistics regression model, a decision-making model of PVCB in crosswalk of signalized intersection is constructed. Also the model parameters are calibrated and the model is verified. The main PVCB factors and those causes analysis are concluded in the paper.

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Wulong County, one of the mountain counties in Southwest China, is now facing a complex and serious road traffic situation and serious traffic safety, with a high incidence of severe and very severe road traffic crashes. The crashes closely relate to imperfect road design, defective execution of traffic laws, imperfect management, and environmental factors.