Validation of the calibration methodology of the micro-simulation traffic model

Otković, Irena Ištoka; Deluka-Tibljaš, Aleksandra; Šurdonja, Sanja

doi:10.1016/j.trpro.2020.02.110

Cited by 17 publications

(18 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…An analysis of the applicability of the model outside of the local urban traffic network conditions based on which the models are developed is carried out through validation of the model. The first validation was made for the urban traffic network of the city of Rijeka in Croatia, for which the earlier research has shown that driving dynamics and driver reaction times differ from the conditions in Osijek [41]. The second validation was made for a database from Enna in Italy.…”

Section: Discussionmentioning

confidence: 99%

“…While City of Rijeka is situated in very complex topographical conditions and has high inhabitation density (2900 inh/km 2 ), city of Osijek has very favorable location and inhabitation density of 640 inh/km 2 [40]. The fact influences also, as shown in previous research, the traffic operation and management [41]. Enna is a smaller city according to the number of inhabitants (around 30,000 inhabitants) and has a significantly different traffic system and habits.…”

Section: Models Validationmentioning

confidence: 92%

See 1 more Smart Citation

Development of Models for Children—Pedestrian Crossing Speed at Signalized Crosswalks

et al. 2021

Self Cite

View full text Add to dashboard Cite

Modeling the behavior of pedestrians is an important tool in the analysis of their behavior and consequently ensuring the safety of pedestrian traffic. Children pedestrians show specific traffic behavior which is related to cognitive development, and the parameters that affect their traffic behavior are very different. The aim of this paper is to develop a model of the children-pedestrian’s speed at a signalized pedestrian crosswalk. For the same set of data collected in the city of Osijek—Croatia, two models were developed based on neural network and multiple linear regression. In both cases the models are based on 300 data of measured children speed at signalized pedestrian crosswalks on primary city roads located near a primary school. As parameters, both models include the selected traffic infrastructure features and children’s characteristics and their movements. The models are validated on data collected on the same type of pedestrian crosswalks, using the same methodology in two other urban environments—the city of Rijeka, Croatia and Enna in Italy. It was shown that the neural network model, developed for Osijek, can be applied with sufficient reliability to the other two cities, while the multiple linear regression model is applicable with relatively satisfactory reliability only in Rijeka. A comparative analysis of the statistical indicators of reliability of these two models showed that better results are achieved by the neural network model.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Models Validationmentioning

confidence: 92%

Development of Models for Children—Pedestrian Crossing Speed at Signalized Crosswalks

et al. 2021

Self Cite

View full text Add to dashboard Cite

show abstract

“…The output is, e.g., data about the capacity of the road or intersection [40], delays, queue lengths, average speeds, travel times (not only for vehicles but also for pedestrians [41]), etc. Sophisticated microsimulation tools (such as PTV VISSIM-see [10,13,[41][42][43][44][45][46][47], PTV VISWALK-see [15,29,48], AIMSUN-see [49][50][51][52], PARAMMICS-see [45,[53][54][55], etc.) enable the simulation of even more demanding tasks, such as analyses of the impact of traffic on the environment, noise studies, parking studies, simulation of toll gate operation, etc.…”

Section: About Traffic Modelling In Generalmentioning

confidence: 99%

“…The four categories are divided into traffic condition (congested vs. uncongested) and roadway condition (work zone vs. non-work zone). Many other authors have been dealing with the issue of microsimulation models for a long time, so it is not a matter of only the last few years [10,13,15,40,42,[45][46][47][49][50][51][52]54,[57][58][59][60], period from the end of the last century [43,55,61]. The issue of car-following models was dealt in the years 1953 by [62], 1978 by [44] and others (contemporary, e.g., [45,54,60]), and [48] proves that using microsimulation models can solve current topics; it uses the program PTV VISWALK to analyse the change in the behaviour of the pedestrian due to the COVID-19 pandemic (i.e., the need to keep the recommended 2 m distance between people limits the clusters of passengers waiting at public transport stops and thus limits the capacity of the transport structure).…”

Section: About Traffic Modelling In Generalmentioning

confidence: 99%

Use of Microsimulation Traffic Models as Means for Ensuring Public Transport Sustainability and Accessibility

et al. 2021

View full text Add to dashboard Cite

This article deals with the issue of a partial problem in the sustainability and availability of public transport using the example of a specific transit node. In every public transport network, it is the transit nodes that can be a threat to the entire transport system in case of a bad design. The article presents a microsimulation traffic model of a transit node, which was created in the PTV VISSIM/VISWALK program. This model was tested by various traffic loads (i.e., normal loads, loads taking into account the extension of the tram network and loads at extraordinary sports or cultural events). As part of the evaluation of the monitored node, the movement of passengers on pedestrian areas, escalators and staircases was analysed. The obtained results demonstrate the importance of monitoring, for example, the Level of Service, average travel times and pedestrian speeds and other parameters, to ensure the functionality of this construction. The use of traffic models can be crucial, as they can be an invaluable aid and a suitable tool in finding the optimal transport solution that respects the requirements for sustainable and accessible public transport.

show abstract

“…e aim was to analyse and determine the movement speed of children at signalized pedestrian crosswalks in specific local conditions of two cities with a very similar number of inhabitants but, considering the spatial location, with very different population and urban density, Rijeka and Osijek. Previously conducted studies [6] show that the parameters of the microsimulation model describing the driver behaviour differ significantly for traffic models that are calibrated for the traffic conditions in Rijeka from the ones calibrated for Osijek. Drivers in Rijeka, on average, drive more temperamentally, have a shorter reaction time, and enter risky situations more often than what the average indicators show for drivers in Osijek.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Children’s Traffic Behaviour at Signalized Crosswalks as a Precondition for Safe Children Routes Design: A Case Study from Croatia

Deluka-Tibljaš

Šurdonja

Otković

2021

Journal of Advanced Transportation

Self Cite

View full text Add to dashboard Cite

Children pedestrians represent road users with some specifics because of which it is important to study and take into account their traffic behaviour when traffic infrastructure is designed. Design should ensure and enhance their traffic safety because for decades, traffic accidents have been among the first few causes of children and adolescent mortality. Pedestrian speed is one of the important inputs when pedestrian infrastructure, especially crosswalks, is designed. On corridors where children are expected on a daily basis as independent pedestrians, the infrastructure should be adjusted to their characteristics and needs. The results of a study conducted in two Croatian cities of a similar size but of different urban and traffic conditions are presented in this paper. This study aimed at establishing and analysing children’s pedestrian speed while crossing the signalized crosswalk in the buffer area of elementary schools, mostly on primary roads in the school vicinity. Children aged 5–15 were observed, and accordingly V15, V50, and V85 speeds were established on the basis of altogether 600 measurements. Speed was established for children walking individually, in a group and supervised by adults, and of a different age, and based on their gender, the impact of infrastructural elements on their speed in traffic was also analysed. Significant differences were found between children’s speed measured in similar conditions in analysed cities and between some of the analysed groups. This fact proves that when improving conditions for children’s independent movement, it is important to consider their specifics in order to ensure safe design adjusted to children’s needs and limitations. As design speed in this paper, 15 percentile speed (V15) is considered. Suggestions on how to establish children pedestrian speed for design of routes regularly used by school children are proposed as well as some inputs elicited from the study done in Croatia are presented.

show abstract

Validation of the calibration methodology of the micro-simulation traffic model

Cited by 17 publications

References 6 publications

Development of Models for Children—Pedestrian Crossing Speed at Signalized Crosswalks

Development of Models for Children—Pedestrian Crossing Speed at Signalized Crosswalks

Use of Microsimulation Traffic Models as Means for Ensuring Public Transport Sustainability and Accessibility

Analysis of Children’s Traffic Behaviour at Signalized Crosswalks as a Precondition for Safe Children Routes Design: A Case Study from Croatia

Contact Info

Product

Resources

About