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Citation Information : Transport Problems. Volume 10, Issue 2, Pages 49-55, DOI: https://doi.org/10.21307/tp-2015-019
License : (CC BY-SA 4.0)
Published Online: 21-April-2017
Time is a necessary factor in processes of transportation. The economic value of travel time is the opportunity cost of the time spent on journey, so the reduction of travel time becomes the main goal of transport network users. Travel time losses in passenger transport are frequently observed in crowded cities, which are facing different types of traffic congestion. The article shows the analysis of the complicated causes of travel time loss, the need of implementing some simplifications during the estimation of the travel time value. Moreover the paper presents the most important results of the newest research on the discussed problem in Polish cities.