Urban Public Transport System's Reliability Estimation Using Microscopic Simulation
In the article the procedure of the reliability measures estimation for one route of the public transport network on the basis of a traffic flow modelling is suggested. A definition of UPTS reliability is based on the analysis of the Travel Time Reliability, Arrival Time Reliability and Probability of arriving to the stops with delay no more than m minutes. The approach is applied to the real task of the reliability estimation for Riga city public transport route. The microscopic model of transport network fragment is used for it.
The determination of the coach terminal as passenger logistics hub is described. The factors responsible for successful functioning of this hub are discussed. The location of the coach terminal is one of the important factors. The present coach terminal is located in the heart of the city where land availability is critical. The simulation model of the terminal was developed to complement the design and construction of a new one. The used simulation package VISSIM has visual reference to assist in explaining the complexity of transport node's job and analysis of possible congestions. During the development of the modelling the critical bottlenecks are identified and decisions are taken to reduce the risk of their occurrence, the solution being immediately incorporated into the final design of the coach terminal under development.
This paper introduces a decision tree approach, which can be used for the assessment of the design, operation and services provided at urban transport interchanges. Realizing a customer satisfaction survey, feedback was received from 239 users of the Riga International Coach Terminal on crucial attributes, including: travel information, wayfinding information, time and movement, access, comfort and convenience, station attractiveness, safety and security, emergency situation handling and overall satisfaction. Findings revealed the most significant parameters that need to be addressed in order to increase users’ satisfaction, which can gradually improve the overall attractiveness of the terminal and the efficient provision of its services.
Economic and social factors, including existing trends in urban population and employment growth combined with urbanization, have led to enhanced consumption and thus, increasing freight flows in the cities. Mitigation of transport impacts has led to plans towards a more sustainable urban environment. However, managerial and regulatory barriers restrict the incorporation of technological instruments and solutions to the sustainable dimension of decision-making and planning. This paper has sought to bridge this gap by organizing an educational and training program, which involves the participation of todays and tomorrow’s researchers, decision-makers and practitioners. Towards this direction, a methodology is developed that identifies existing gaps between the transport industry and the existing research, education and training programs and converts identified requirements and gaps into training courses. The paper addresses the context of intermodal interconnections for the case of Latvia and the region for stimulating and strengthening its scientific and technological capacity by providing knowledge in the field of smart interconnecting sustainable transport networks. The 2-level gap analysis that was developed and implemented with respect to the thematic areas of (1) ‘Governance and policy development’, (2) ‘Smart solutions’, and (3) ‘Decision-making’, and the validation process that followed, has revealed several requirements that exist currently for passenger and freight interchanges and educational programs for Latvia and the region. Based on the identified educational requirements for Latvia and the region, 20 educational areas were created that resulted in 12 courses for passenger and freight transport interchanges that are going to be used for training and education in Latvia.
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