Object structure
Title:

Okresowe zmiany prędkości poruszania się pojazdów po polskich drogach na przykładzie wybranych odcinków autostrad = Periodic changes in road-traffic speed as exemplified along selected sections of Polish motorway

Subtitle:

Przegląd Geograficzny T. 94 z. 2 (2022)

Creator:

Slawik, Dominika : Autor ORCID ; Chmiel, Jerzy : Autor ORCID ; Dybicz, Tomasz : Autor ORCID

Affiliation:

Slawik, Dominika : Politechnika Warszawska Wydział Geodezji i Kartografii ; Chmiel, Jerzy : Politechnika Warszawska Wydział Geodezji i Kartografii ; Dybicz, Tomasz : Politechnika Warszawska Wydział Inżynierii Lądowej

Publisher:

IGiPZ PAN

Place of publishing:

Warszawa

Date issued/created:

2022

Description:

24 cm

Subject and Keywords:

Geography

Abstract:

The speeds at which cars cover individual sections of a route depend on many factors, of which the most important relate to technical conditions in general or on the road surface, speed limits, volumes of traffic and weather conditions. This publication concerns a selected range of issues related to road traffic and is based on research conducted to show periodic changes in vehicle speeds along Polish roads. It represents a step towards increased accuracy of determination of road-traffic conditions, encouraging better prediction and discernment of patterns, as well as greater insight into influential factors. Knowledge of periodic changes in vehicle speeds gains further use in road-traffic modelling, for example at National Traffic Management Centres. Calculations of the speeds of vehicles covering test-sections of Polish Motorways involved twelve kilometre-long segments of the A1, A4 and A8. Vehicle probe data collected over the four years 2014‑2018 represented the source used in calculating speeds. From within the set of data, further consideration was confined to periods not impacted significantly by such other factors as public holidays, weekends, adverse weather, darkness or maintenance works. The speeds at which vehicles covered the selected sections were calculated, aggregated separately for the light and heavy categories, and then analysed for their daytime and annual variability. The first conclusion to be drawn from analysis of the results concerns the inevitable impact on speed of the “traffic volume” factor. However, “traffic vehicular structure” is another factor important in analyses of traffic fluctuations. Were this research to be developed further that would entail further-reaching inference in regard to the nature of traffic and types of trip being made. The research described here can thus be considered a first step in the planning of other, more-accurate measurement campaigns that will require greater preparation in advance, and well as resort to more-specialised equipment. The present homogeneous study nevertheless offers grounds for inferences as to both the nature of the traffic it describes, and the types of trips being made. A continuation of research would thus extend analyses around the clock (covering 24-hour days rather than just “daytime”), as well as to other days of the week, such as Saturdays and Sundays, to holidays, and even to separate days of the week within the overall set of working days. The number of test-sections might also be increased, and enriched by new types, classes, geometries and locations of routes allowing for fuller inference. In particular, additional locations with Continuous Traffic Measurement Stations would provide for the fuller correlation of vehicle speeds with volumes of traffic. Similarly, filtered datasets factoring in adverse weather conditions, Sun low above the horizon and periods of road maintenance could all provide for more research of a more comprehensive nature. <br>

References:

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Relation:

Przegląd Geograficzny

Volume:

94

Issue:

2

Start page:

219

End page:

233

Resource type:

Text

Detailed Resource Type:

Article

Format:

application/octet-stream

Resource Identifier:

doi:10.7163/PrzG.2022.2.3 ; 0033-2143 (print) ; 2300-8466 (on-line) ; 10.7163/PrzG.2022.2.3

Source:

CBGiOS. IGiPZ PAN, sygn.: Cz.181, Cz.3136, Cz.4187 ; click here to follow the link

Language:

pol

Language of abstract:

eng

Rights:

Creative Commons Attribution BY 4.0 license

Terms of use:

Copyright-protected material. [CC BY 4.0] May be used within the scope specified in Creative Commons Attribution BY 4.0 license, full text available at: ; -

Digitizing institution:

Institute of Geography and Spatial Organization of the Polish Academy of Sciences

Original in:

Central Library of Geography and Environmental Protection. Institute of Geography and Spatial Organization PAS

Projects co-financed by:

Programme Innovative Economy, 2010-2014, Priority Axis 2. R&D infrastructure ; European Union. European Regional Development Fund

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