Transactions on Transport Sciences, 2013 (vol. 6), issue 4
Pedestrian Accidents - Actual Trend in the Czech Republic
I. Kučerová, B. Sulíková, K. Paráková, K. Poláčková
Transactions on Transport Sciences 2013, 6(4):145-152 | DOI: 10.2478/v10158-012-0041-0
There are many factors that play a role in pedestrian and motor vehicle collisions. This paper explores some of the factors on the basis of police records, involving pedestrian accidents in the Czech Republic in the period between 2008 and 2012; the sample consisting of 19454 participants. This paper explores the impact of pedestrian factors (age, gender, behaviour, injury severity, etc.) and other road/environmental factors (visibility, accident location, weather, and so on) on pedestrian collisions. The purpose of the crosstabs analysis was to determine if there is a relationship in these selected factors; the relevance of the factors was examined...
Supply Chain Security Frameworks Utilization for Analysis and Design of Security Performance Evaluation System - Part 1
Transactions on Transport Sciences 2013, 6(4):153-158 | DOI: 10.2478/v10158-012-0042-z
This paper deals with highly current topic of supply chain security with a focus on general supply chain security (SCS) frameworks. It analyzes two approaches to supply chain security and presents the author's future research focus in this area, which is aimed at expansion and completion of the general supply chain security management model and the creation of a security performance measurement tool. Such a measurement tool would allow complex comparison of security programs from an attained security level point of view. Initiatives currently aimed at security performance measurement and other perceivably immeasurable characteristics can be found in...
Circular Colouring for Emission Minimalization
R. Zewdie, J. Hora, Y. Nigussie
Transactions on Transport Sciences 2013, 6(4):159-168 | DOI: 10.2478/v10158-012-0043-y
The standard time allocation of classic road junctions in major towns and cities are often the main indicators of the government policy and management strategy in reducing traffic jams with its associated emission production from the traffic flow. In this paper, we apply the circular colouring method of Graph Theory (Vince, 1988; Zhu, 2001), to the emission reduction problem at a traffic road junction. The result of this paper is addressing this problem by optimizing the waiting time interval for two selected models. A traffic road junction is modelled as a finite graph G = (V, E). Each vertex v of G represents a given traffic light. Two vertices v...
Public Finance and Transport
A. Peltrám, J. Domácí
Transactions on Transport Sciences 2013, 6(4):169-176 | DOI: 10.2478/v10158-012-0044-x
The common market is considered to be one of the greatest benefits of European integration. The single European transport area with optimal modal split is a basic precondition for a common market in goods and the required high mobility of passengers. To assure smooth traffic flow, with the minimum of traffic accidents, and to be more environmentally friendly and energy efficient necessitates the maximum utilization of all current transport facilities that are available. However this shall not be enough. Regarding the delay in adapting the transport infrastructure to the enormous growth of traffic, it is necessary to increase investments into bottleneck...
Design Methodology of a Fuzzy Control System in PTV VISSIM
M. Koukol, O. Přibyl
Transactions on Transport Sciences 2013, 6(4):177-184 | DOI: 10.2478/v10158-012-0045-9
Fuzzy logic has been a popular tool for addressing advanced control tasks lately. This is true even in transportation, where it has been used for tasks such as ramp metering, control of traffic lights, as well as, for example, within highway management. Before application on a real street, however, such a control algorithm has to be evaluated and tested. In recent years, a so called microsimulation approach has been accepted as a useful tool for such tasks. In this paper, we demonstrate that PTV VISSIM can also be used for the evaluation of advanced control algorithms, even without the use of API. In this way, even without a knowledge of classic programming...
Alexithymia and the Perception of Stress of Public Transport Drivers
L. Winklerová, K. Paráková
Transactions on Transport Sciences 2013, 6(4):185-192 | DOI: 10.2478/v10158-012-0046-8
The objective of the research was description of the factors of psychological stress of Czech drivers in association with an occurrence of alexithymia and with the number of accidents. Psychological stress, occurrence of alexithymia and the number of accidents were indicated in a questionnaire. The sample consisted of 611 public transport drivers from the Czech Republic. Alexithymia was assessed by a 20-item Toronto Alexithymia Scale questionnaire. The level of stress was assessed by a questionnaire Stress of Public Transport Drivers. The occurrence of psycho-pathological symptoms was assessed by The Symptom Checklist-90. The drivers have shown only...
Crash Tests of Vehicles - Selected Experiments and Analysis
H. Kovandová, J. Krejčí, J. Kovanda
Transactions on Transport Sciences 2013, 6(4):193-202 | DOI: 10.2478/v10158-012-0047-7
The university research projects systematically deal with traffic safety, especially passive safety. Several experiments were carried out with the purpose to increase the knowledge in the automotive safety field, to obtain in-deep information from non-standard processes and data for validation of mathematical simulations and to extend the results and knowledge databases.
Technical Note on Methods for Optimal Trajectory Synthesis
M. Schwarzkopf, B. Kadleček
Transactions on Transport Sciences 2013, 6(4):203-206