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Wyświetlanie 1-3 z 3
Tytuł:
Assessment of Pedestrian-Vehicle Interaction on Urban Roads: a Critical Review
Autorzy:
Thakur, Sourabh
Biswas, Subhadip
Powiązania:
https://bibliotekanauki.pl/articles/223619.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
urban road
pedestrian safety
pedestrian crossing
pedestrian delay
drogi miejskie
bezpieczeństwo pieszych
przejście dla pieszych
Opis:
Walking is being promoted as either a main mode of transportation or as a part of multimodal mobility. However, a rapid growth and development in urban areas has resulted in a drastic increase in human population as well as vehicular population in most of the metropolitans across the globe. Due to this, there is an unavoidable increase in conflicts between vehicular traffic and pedestrians often sharing the same road space. At an undesignated crossing, pedestrians wait for suitable inter-vehicular gap to cross the road. However, in order to reduce the waiting delay, pedestrians often take risk by accepting smaller gaps while crossing the road. It increases the probability of their collision with approaching vehicles. Apart from the frequency of crashes, the crash severity is also vastly governed by traffic flow characteristics. In this regard, it is a common belief that the reduction in speed of approaching vehicles can significantly bring down the severity of pedestrian crashes. On the other hand, vehicular movements also get obstructed due to the pedestrian activities carried out on the carriageway. During pedestrian crossing maneuvers, pedestrians often force the approaching vehicle(s) either to slow down or to change the lane which leads to reduction in the average speed of traffic stream. However, in case of pedestrians walking along the road, vehicles tend to shy away towards the center of carriageway to ensure the safe movements of pedestrians. Hence, pedestrians irrespective of crossing or walking along the road, eventually results in the reduction in speed as well as capacity of the road and sometimes prove to be a promising threat to safety of the road users. Therefore, in order to delve into the phenomena of pedestrian-vehicle interaction, one should need to study the mutual influences of pedestrian and vehicular movements on each other. In this background, this paper puts forward a detailed literature review on the assessment of pedestrian-vehicle interaction on urban roads. Findings of the paper are specific and infer the behaviors of both pedestrians and vehicles while sharing the same road space.
Źródło:
Archives of Transport; 2019, 51, 3; 49-63
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of the effectiveness of active signage at pedestrian crossings
Ocena skuteczności oznakowania aktywnego na przejściach dla pieszych
Autorzy:
Olszewski, P.
Czajewski, W.
Dąbkowski, P.
Kraśkiewicz, C.
Szagała, P.
Powiązania:
https://bibliotekanauki.pl/articles/231512.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bezpieczeństwo pieszych
przejście dla pieszych
badanie prędkości
SignFlash
Levelite
oznakowanie aktywne
pedestrian safety
pedestrian crossing
speed survey
active signage
Opis:
The paper presents findings from research project Mobis which is aimed at developing a method of assessing safety of unsignalised pedestrian road crossings using video image analysis. Pedestrian and vehicle traffic has been recorded at selected zebra crossing sites in Warsaw and Wrocław, before and after installation of active signage systems SignFlash and Levelite. Speeds of approaching vehicles were measured and drivers’ behaviour was classified using video analysis. The paper presents a comparison of effectiveness of systems such as SignFlash and Levelite based on changes in the mean and standard deviation of vehicle spot speeds as well as changes in speed profiles of vehicles approaching the crossings. Results indicate that both SignFlash and Levelite active signage reduce mean vehicle approach speeds and have a positive impact on drivers’ behaviour.
Celem referatu jest przedstawienie wyników oceny skuteczności zastosowania aktywnego oznakowania na przejściach dla pieszych. Artykuł prezentuje częściowe rezultaty projektu MOBIS (finansowanego przez Narodowe Centrum Badań i Rozwoju), który ma na celu opracowanie metody oceny bezpieczeństwa ruchu na przejściach dla pieszych bez sygnalizacji przy pomocy analizy obrazu wideo. Na wybranych przejściach dla pieszych w Warszawie i we Wrocławiu ruch pieszych i pojazdów był rejestrowany przed i po instalacji oznakowania aktywnego SignFlash i Levelite, które to systemy sygnalizują obecność pieszych na przejściu. Przy pomocy analizy obrazu dokonano pomiarów prędkości pojazdów zbliżających się do przejścia oraz klasyfikacji zachowań kierowców pojazdów. Sklasyfikowano 4 rodzaje możliwych sytuacji: pojazd przejeżdża tuż przed pieszym, który jest w tym momencie na przejściu dla pieszych (A1); pojazd przejeżdża przed pieszym, który jest w tym momencie na chodniku (A2); pojazd przejeżdża tuż za pieszym; który jest w tym momencie na przejściu dla pieszych (B); kierowca widząc pieszego zwalnia lub zatrzymuje się przed przejściem (C).
Źródło:
Archives of Civil Engineering; 2015, 61, 2; 125-139
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the results of the audit of lighting parameters at pedestrian crossings in Warsaw
Autorzy:
Tomczuk, Piotr
Chrzanowicz, Marcin
Mackun, Tomasz
Budzyński, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/1955162.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
lighting
pedestrian crossings
audit
road
safety
oświetlenie
przejście dla pieszych
audyt
droga
bezpieczeństwo
Opis:
The night time, based on many world studies, generates an increased risk of serious accidents (with fatalities and serious injuries). This is especially true for accidents with pedestrians. Pedestrian crossings are very sensitive to the influence of the time of day in terms of pedestrian safety, elements of road infrastructure. This is visible on the example of Poland, where numerous accidents at crosswalks are recorded, characterized by high severity at night. Road infrastructure managers take corrective actions to improve this condition. An example of such work is the Road Safety Audit (RSA), initiated in 2016 by the Municipal Roads Management Board in Warsaw. The analyses carried out by the authors, among others, in the years 2016 - 2019, included pedestrian crossings without traffic lights located on roads managed by ZDM (Municipal Roads Authority) in twelve districts: Bemowo, Bielany, Mokotów, Ochota, Praga Południe, Praga Północ, Śródmieście, Targówek, Ursynów, Wawer, Włochy, Żoliborz. The assessment was carried out in terms of the correct lighting of these passages, traffic organization, geometry and environmental impact. The main aim of the article is to present a methodology for evaluating the technical condition of road lighting infrastructure on a large scale (e.g. district, city). The article discusses the general and detailed state of pedestrian safety in Poland against the background of research conducted in Warsaw. The procedure of inspection and assessment of the state of lighting of pedestrian crossings is described and selected results are presented. On the basis of a detailed analysis of the results of individual pedestrian crossings, the general condition of the tested crossings was assessed and recommendations were indicated. An attempt was made to assess the influence of pedestrian crossings lighting on the general state of road safety. A critical evaluation of the obtained effects was made. The utilitarian aim of the article is to apply the described methodology in other cities and to use the results of the conducted analyses to plan and implement road investments in the field of modernization of lighting at pedestrian crossings on a large scale.
Źródło:
Archives of Transport; 2021, 59, 3; 21--39
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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