Mattias Juhász

56017274600

Publications - 8

Forecasting travel time reliability in Urban road transport

Csaba Koren Tamás Mátrai Mattias Juhász

Publication Name: Archives of Transport

Publication Date: 2017-01-01

Volume: 43

Issue: 3

Page Range: 53-67

Description:

Assessment of travel time reliability as a fundamental factor in travel behaviour has become a very important aspect in both transport modelling and economic appraisal. Improved reliability could provide a significant economic benefit if it is adequately calculated in cost-benefit analyses for which the theoretical background has already been set. However, methods to forecast travel time reliability as well as travel behaviour models including its effects are rather scarce and there is a need for development in this field. Another important aspect could be the influencing factor of reliability in travel demand management and related policy-making. Therefore, this paper intends to further analyse reliability focusing exclusively on urban road transport based on automatic measurements of journey times and traffic volumes from a dataset of the city of Budapest. The main finding and the novelty of the study is a model which can forecast the standard deviation of travel times based on the volume-capacity ratio and the free-flow travel time. The paper also provides a real-life numerical experiment in which the proposed model has been compared with other, existing ones. It proves that besides existing mean-delay-based models, travel time reliability can be forecasted based on the volume-capacity ratio with an adequate accuracy.

Open Access: Yes

DOI: 10.5604/01.3001.0010.4227

Intelligent appraisal for sustainable urban mobility planning

Mattias Juhász

Publication Name: 6th IEEE Conference on Cognitive Infocommunications Coginfocom 2015 Proceedings

Publication Date: 2016-01-25

Volume: Unknown

Issue: Unknown

Page Range: 27-32

Description:

Rapid development of information and communications technology changed our world for the better in the last couple of years. It has also opened the door ahead of new possibilities in order to organize large social systems like urban transportation more efficiently. However, exploitation of these opportunities in this smarter world is still at a low level. A major reason for this could be that smarter planning of urban transport requires smarter appraisal tools to aid policy making. The objective of this paper is to give an overview on the limitations of current transport appraisal practices and on the way ahead in providing a more intelligent decision-making framework for Sustainable Urban Mobility Planning.

Open Access: Yes

DOI: 10.1109/CogInfoCom.2015.7390559

The Measurement of Indirect Effects in Project Appraisal

Mattias Juhász Tünde Vörös Krisztián Koppány

Publication Name: Transportation Research Procedia

Publication Date: 2016-01-01

Volume: 13

Issue: Unknown

Page Range: 114-123

Description:

Imperative for growth is dominating the present economic conditions also influencing decision-making to a large extent. Therefore, the analysis of economic impacts plays a more and more significant role in the selection of transport projects. However, ex-ante project appraisal is facing an increasing problem concerning the measurement of indirect economic effects. This paper aims to investigate the accurate way of quantifying such benefits via the analysis of theoretical issues, the review of existing approaches and a case study.

Open Access: Yes

DOI: 10.1016/j.trpro.2016.05.012

Getting an Insight into the Effects of Traffic Calming Measures on Road Safety

Csaba Koren Mattias Juhász

Publication Name: Transportation Research Procedia

Publication Date: 2016-01-01

Volume: 14

Issue: Unknown

Page Range: 3811-3820

Description:

The objective of this paper is to assess the significance of urban traffic calming and to get an insight into the safety impacts of local and area-wide traffic calming interventions enabling a better understanding and therefore 'better-informed' decisions on different schemes. Safety effects of traffic calming initiatives have been analysed on a city-level for larger Hungarian cities and an in-depth research has also been carried out for a more detailed case from the capital of Hungary. Results show that traffic calming initiatives have a very significant role in enhancing road safety of urban areas. Meanwhile the case study of Budapest explains observed effects in detail allowing for more accurate appraisal tools to be developed.

Open Access: Yes

DOI: 10.1016/j.trpro.2016.05.466

Development of a land-use and transport interaction model as a part of a policy assessment framework for urban traffic calming

Mattias Juhász

Publication Name: Pollack Periodica

Publication Date: 2015-08-01

Volume: 10

Issue: 2

Page Range: 81-92

Description:

Initiation of traffic calming measures is on the challenging agenda of most cities, which are in pursuit of creating livable urban areas. However, previous studies on this research pointed out that the knowledge of the strategic aspects of application of these restrictions is insufficient, which is blocking further progression. Therefore a comprehensive policy assessment framework has been proposed and developed, which is combining modern modeling tools with reliable, well-tried appraisal methods. This work is another milestone of this broader research and its aim is to elaborate the modeling part of the framework enabling and establishing further works. The objective of this paper is to give an overview on this process and the result of which is a land-use and transport interaction model. In addition, it is also intended to practically test the model on a hypothetical case and to demonstrate its suitability.

Open Access: Yes

DOI: 10.1556/606.2015.10.2.8

Assessing the requirements of urban traffic calming within the framework of sustainable urban mobility planning

Mattias Juhász

Publication Name: Pollack Periodica

Publication Date: 2014-12-01

Volume: 9

Issue: 3

Page Range: 3-14

Description:

Road traffic calming measures have been gradually spreading in cities since the 1960s. Therefore - in line with a sustainable transport planning approach - the revision and redistribution of urban transport and public surfaces have also come into the spotlight. In this context several traffic calming methods and techniques have evolved from point-based to area-wide interventions. Their positive effects on traffic safety and the environment are indisputable. However, there are serious requirements concerning the application of these instruments, which need to be taken into account to prevent or minimize undesirable side-effects. Despite technical aspects and conditions that are well-known from the international literature, strategic aspects (economic effects and system-level prerequisites of traffic calming) are relatively ambiguous. The aim of this paper is to review the possible measures of road traffic calming, to demonstrate the effect-mechanism and to explore the way towards a consistent policy assessment framework, which can provide information on the strategic requirements of application.

Open Access: Yes

DOI: 10.1556/Pollack.9.2014.3.1

Changes in Travel Demand in Budapest during the Last 10 Years

Tamás Mátrai Mattias Juhász László Sándor Kerényi

Publication Name: Transportation Research Procedia

Publication Date: 2014-01-01

Volume: 1

Issue: 1

Page Range: 154-164

Description:

Management and development of transport systems should always rely on the knowledge of travel demand. It is suggested to shape transport networks and services based on long-term strategies, which is obviously adjusted to long-term trends in the demand. However, it might be difficult to get to know the prompt demand, and even harder to forecast it. Before and during the economic crisis a simple, over-optimistic approach could be noticed in Hungarian appraisals. Realistically there was a complex change in travel patterns. The objective of this paper is to assess the recent changes in travel demand in Budapest and collect the possible main drivers. In this evaluation an extensive database from 2004 was compared with the results of recent analyses. From the data comparison conclusion could be drawn concerning the changes in the transport system usage in a changing economic environment.

Open Access: Yes

DOI: 10.1016/j.trpro.2014.07.016

Travel demand management - Possibilities of influencing travel behaviour

Mattias Juhász

Publication Name: Periodica Polytechnica Transportation Engineering

Publication Date: 2013-01-01

Volume: 41

Issue: 1

Page Range: 45-50

Description:

Nowadays, one of the biggest and most challenging tasks of cities is the management of urban and suburban transport. The growth of mobility and motorization in the last centuries led into a social trap that only has recently been recognized through congestion and environmental problems. The issues mostly arise in areas where travel demand is at a high level, namely in large cities. Handling urban and suburban transport problems could significantly influence the competitiveness of cities. In times of economic crisis and climate change it is crucial how to use scarce resources, therefore cost- and energy efficiency are becoming more and more important factors. Under these circumstances transport sector is also about to realize that new travel demand management tools can diminish the negative impacts while reasonable mobility needs can be satisfied. In this paper the possible tools of travel demand management are categorized focusing on innovative measures. Recommendations are concluded through international best-practices in accordance with the method of Sustainable Urban Mobility Planning.

Open Access: Yes

DOI: 10.3311/PPtr.7096