Capacity increasing of arterial streets with controlled motion

dc.citation.epage38
dc.citation.issue1
dc.citation.spage25
dc.contributor.affiliationLviv Polytechnic National University
dc.contributor.authorHrytsun, Oleh
dc.contributor.authorBura, Romana
dc.coverage.placenameЛьвів
dc.coverage.placenameLviv
dc.date.accessioned2021-12-21T11:11:50Z
dc.date.available2021-12-21T11:11:50Z
dc.date.created2021-03-10
dc.date.issued2021-03-10
dc.description.abstractРозглянуто проблему підвищення пропускної здатності магістральних вулиць із регульованим рухом. Вибрано прогони вулично-дорожньої мережі міста Львова за різної довжини і ширини проїзної частини, зокрема з найнасиченішим дорожнім рухом. Проаналізовано методи підвищення пропускної здатності магістральних вулиць регульованого руху, а також чинники, які впливають на зниження пропускної здатності. Розраховано пропускну здатність перехресть за різного рівня їх завантаження. Побудовано розподіл середньої швидкості руху для прогонів різної довжини. Встановлено, що на прогонах середньої довжини між регульованими перехрестями і високим коефіцієнтом їх завантаження швидкість транспортного потоку не досягає максимальних значень. Підвищити швидкість і пропускну здатність прогонів можливо у разі збільшення їх довжини, достатньої для розгону потоку до максимальної сталої швидкості й подальшого гальмування перед перехрестям. Для визначення рекомендованої швидкості руху на магістральних напрямках враховано дорожні умови, які формуються у разі одночасного впливу декількох чинників: рівня завантаження перехрестя у зоні гальмування, рівня завантаження перехрестя в зоні розгону, кількості смуг руху, довжини прогону і середньої швидкості транспортного потоку. Визначено, що середня швидкість транспортного потоку на коротких прогонах (довжина до 300 м) становить 27–33 км/год, на прогонах середньої довжини – 35– 38 км/год. Така швидкість дасть змогу транспортному потоку потрапляти в смугу невпинного руху в заданих дорожніх умовах. Виконані дослідження повніше враховують дорожньо-транспортні умови під час обґрунтування розрахункової швидкості транспортного потоку. В результаті цього підвищується пропускна здатність магістральних вулиць регульованого руху.
dc.description.abstractThe problem of capacity increasing of arterial streets with controlled motion is investigated in this paper. For investigation, sections between intersections on the road network of Lviv city were chosen at their different length and roadway width with most saturated traffic. Methods of capacity increasing of arterial streets with controlled motion and factors that have impact on the capacity reduction are analyzed. Capacity of intersections at different volumecapacity ratios is determined. The distribution of average speed for sections between intersections of different length is built. It is established that on sections of medium length between signalized intersections and the high volume-capacity ratio, the speed of traffic flow does not reach maximum values. It is possible to increase the speed and the capacity of sections between intersections by increasing their length, sufficient for flow acceleration to the maximal constant speed and further braking before the intersection. To determinate the recommended speed of movement on arterial directions, road conditions are taken into account, which are formed with simultaneous impact of several factors: volume-capacity ratio of intersection in braking zone, volume-capacity ratio of intersection in acceleration zone, the number of lanes, the length of the section between intersections and the average speed of the traffic flow. It is determined that the average speed of traffic flow on short sections between intersections (the length less than 300 m) is 27–33 km/h, on sections of medium length – 35–38 km/h/ Such speed will allow to traffic flow reaching the line of constant movement in given road conditions. Conducted research allows taking into account road traffic conditions while justifying the calculating speed of traffic flow, in result of which capacity of arterial streets of controlled motion increases.
dc.format.extent25-38
dc.format.pages14
dc.identifier.citationHrytsun O. Capacity increasing of arterial streets with controlled motion / Oleh Hrytsun, Romana Bura // Transport Technologies. — Lviv : Lviv Politechnic Publishing House, 2021. — Vol 2. — No 1. — P. 25–38.
dc.identifier.citationenHrytsun O. Capacity increasing of arterial streets with controlled motion / Oleh Hrytsun, Romana Bura // Transport Technologies. — Lviv : Lviv Politechnic Publishing House, 2021. — Vol 2. — No 1. — P. 25–38.
dc.identifier.doidoi.org/ 10.23939/tt2021.01.025
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/56537
dc.language.isoen
dc.publisherВидавництво Львівської політехніки
dc.publisherLviv Politechnic Publishing House
dc.relation.ispartofTransport Technologies, 1 (2), 2021
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dc.relation.referencesen12. Ma, Y., Lu, S. & Zhang, Y. (2020). Analysis on Illegal Crossing Behavior of Pedestrians at Signalized Intersections Based on Bayesian Network. Journal of Advanced Transportation, 2020, 1–14 (in English).
dc.relation.referencesen13. Zheng, Y. & Elefteriadou, L. (2017). A model of pedestrian delay at unsignalized intersections in urban networks. Transportation Research Part B: Methodological, vol. 100, pp. 138–155 (in English).
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dc.rights.holder© Національний університет “Львівська політехніка”, 2021
dc.rights.holder© Hrytsun O., Bura R., 2021
dc.subjectвулично-дорожня мережа
dc.subjectтранспортний потік
dc.subjectінтенсивність руху
dc.subjectшвидкість руху
dc.subjectпропускна здатність
dc.subjectрівень завантаження
dc.subjectмоделювання руху
dc.subjectнатурні дослідження
dc.subjectрегульовані перехрестя
dc.subjectroad network
dc.subjecttraffic flow
dc.subjecttraffic intensity
dc.subjectspeed of movement
dc.subjectcapacity
dc.subjectvolume capacity ratio
dc.subjecttraffic simulation
dc.subjectfield research
dc.subjectsignalized intersections
dc.titleCapacity increasing of arterial streets with controlled motion
dc.title.alternativeПідвищення пропускної здатності магістральних вулиць з регульованим рухом
dc.typeArticle

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