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Modelling the loss of time caused by traffic incidents on motorways
PublikacjaFor each road incident important factors like location, capacity reduction, traffic management, duration of road incidents and amount of traffic should be defined. All performer operations and effects of incidents affect the capacity of the road, average speed, time loss, vehicle queues and traffic jams. In the article road incidents were divided into planned and unexpected. Statistical analysis prepared using the database of traffic...
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Development of the New Polish Method for Capacity Analysis of Motorways and Expressways
PublikacjaThe paper presents development of the new Polish method for performing capacity analysis of basic segments of dual carriageway roads (motorways and expressways). The method is based on field traffic surveys conducted at 30 motorway and expressway sites (class A and S roads) in Poland. Traffic flows, composition and travel times were observed in 15-min intervals at each site using ANPR filming method. These data were used to calibrate...
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Influence of Toll Collection Method on Motorways on Traffic Safety and Efficiency
PublikacjaThe paper presents the results of the effectiveness analysis for various forms of toll collection on motorway gates and their impact on safety and efficiency of traffic. The results from field tests that were performed on the A1 motorway in Rusocin were used for the analysis. The research included the analysis of the video image of driver behaviour on the way to the toll booths and at toll booths. The PTV VISSIM tool was used to...
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Assessment of the Speed Management Impact on Road Traffic Safety on the Sections of Motorways and Expressways Using Simulation Methods
PublikacjaMethods used to evaluate the impact of Intelligent Transport System (ITS) services on road safety are usually based on expert assessments or statistical studies. However, commonly used methods are challenging to apply in the planning process of ITS services. This paper presents the methodology of research using surrogate safety measures calculated and calibrated with the use of simulation techniques and a driving simulator. This...
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Exploring the Relationship between Particulate Matter Emission and the Construction Material of Road Surface: Case Study of Highways and Motorways in Poland
Publikacja -
Polish motorways 2016 - video data
Dane BadawczePolish motorways 2016 - video data
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The impact of Infrastructure Developments in Polish Ports and Motorways and their Effect upon Ferry Services. Wpływ rozwoju infrastruktury polskich portów i autostrad na funkcjonowanie usług promowych.
PublikacjaArtykuł przedstawia charakterystykę obecnego stanu rynku żeglugi promowej wPolsce, sieci dróg i autostrad oraz infrastruktury portów w Gdańsku i Gdyni.W artykule zaprezentowane są ponadto plany rozbudowy infrastruktury trans-portowej i drogowej oraz wpływ tej rozbudowy na przyszły rozwój polskiej że-glugi promowej.
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Investigation of low-temperature cracks on selected national roads and motorways in Poland 2020
Dane BadawczeThe dataset contains video investigation and records of 68 road sections in various parts of Poland. Videos were recorded with the use of two cameras: 1) mounted in front of measurement vehicle, which was focused on overall view of road and 2) which was focused on pavement surface. The records are categorized according to the ID of the section given...
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State of Development of Intelligent Transport Systems Services on National Roads in Poland
PublikacjaIn recent years we can see intensifying implementation of Intelligent Transport System (ITS) measures in Polish cities and on national roads. The architecture of the National Traffic Management System (KSZR) will enable the implementation of a uniform, integrated and intelligent ICT system to launch ITS systems that are the most important for drivers and the General Directorate for National Roads and Motorways (GDDKiA). This paper...
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Review of methods for assessing traffic conditions on basic motorway and expressway sections
PublikacjaMotorways and expressways are the core of each country’s road system. Road planning, design and management requires tools to ensure that roads have the right geometry, traffic layout and equipment. These include methods for capacity estimation and assessing traffic conditions. Because the paper focusses on the basic segments of motorways and expressways (sections located between interchanges and outside of their influence), its...
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Measures of Functional Reliability of Two-Lane Highways
PublikacjaRural two-lane highways are the most common road type both in Poland and globally. In terms of kilometres, their length is by far greater than that of motorways and expressways. They are roads of one carriageway for each direction, which makes the overtaking of slower vehicles possible only when there is a gap in the stream of traffic moving from the opposite direction. Motorways and express roads are dual carriageways that are...
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Comparison of requirements for location, maintenance and removal of road advertising between polish and foreign regulations
PublikacjaThe article gives an overview of Polish and international formal and legal requirements for roadside advertising and the relevant road safety impacts. The analysis focussed on outdoor advertising life cycle consisting of three stages: location, operation and removal of advertising. Experience of road authorities from Australia (Queensland), Republic of South Africa and the United Kingdom was collected. The article is part of a...
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Sczepność międzywarstwowa w nowobudowanych nawierzchniach w Polsce
PublikacjaW artykule przedstawiono analizę wyników badań sczepności międzywarstwowej warstw asfaltowych przeprowadzonych na podstawie danych z monitoringu właściwości fizyko-mechanicznych warstw asfaltowych z lat 2012-2013. Monitoring prowadziły Laboratoria Drogowe oddziałów GDDKiA w ramach własnych badań kontrolnych podczas realizowanych inwestycji. Analizie poddano 7043 wyników badań sczepności międzywarstwowej badanych próbek, odwierconych...
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Numerical studies on the influence of selected construction features and road conditions on the performance of road cable barriers
PublikacjaCable barriers are commonly used on Polish roads, including motorways and local roads. Their main elements are pre-stressed wire ropes, which are usually anchored at two ends in concrete blocks buried in the soil. In this work numerical studies concerning the influence of selected construction features and parameters of the vehicle motion on the performance of cable barriers were performed. Numerical simulations are a useful tool...
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Impact of ITS services on the safety and efficiency of road traffic
PublikacjaThis paper describes the project entitled: “Impact of the use of Intelligent Transport Systems on the level of road safety” (agreement no. DZP/RID-I-41/7/NCBR/2016), implemented as part of the Road Innovations Development (RID) programme, funded by the National Centre for Research and Development and the General Directorate for National Roads and Motorways (GDDKiA). The project is run by a consortium comprising the Motor Transport...
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Preliminary safety assessment of Polish interchanges
PublikacjaInterchanges are a key and the most complex element of a road infrastructure. The safety and functionality of interchanges determine the traffic conditions and safety of the entire road network. This applies particularly to motorways and express-ways, for which they are the only way to access and exchange traffic. A big problem in Poland is the lack of comprehensive tools for designers at individual stages of the design process....
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Impact of Intelligent Transport Systems Services on the Level of Safety and Improvement of Traffic Conditions
PublikacjaThe positive effects of the services of Intelligent Transport Systems (ITS) on the level of transport systems operation was confirmed by long-term studies conducted, inter alia, in the USA, Japan and Europe. Benefits resulting from the application of ITS services can be presented through performance indicators. The indicators represent in a numerical or qualitative manner to what extent ITS services can contribute to improving...
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Methodology of research on the impact of ramp metering on the safety and efficiency of road traffic using transport models
PublikacjaThe methods currently used to assess the impact of Intelligent Transport Systems (ITS) services on traffic safety and efficiency are mainly based on expert assessments, statistical studies or traffic models that need further development. There is no structured, uniform evaluation method to compare the impact of different ITS services and their different configurations. The impact of ITS deployment on the road network adjacent to...
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Methodology of research on the impact of ITS services on the safety and efficiency of road traffic using transport models
PublikacjaThe current assessment of the impact of Intelligent Transport System (ITS) services on the level of traffic safety and efficiency is based mainly on expert assessments, statistical surveys or several traffic safety models requiring development. There is no structured, uniform assessment method that would give the opportunity to compare the impact of ITS services and their different configurations. The paper presents the methodology...
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Analysing the impact of traffic incidents on express road traffic flow using FREEVAL
PublikacjaTraffic incidents occurring on motorways or express roads cause disruptions and deteriorate traffic conditions. The impact will differ depending on the type of incident, its duration and space blocked on the roadway and can be measured with e.g. average speed reduction, extension of travel time, time lost or overall costs of traffic disruptions. The aim of the paper is to analyse this impact, based on data from the Tri-City Ring...
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A1-S6 Rebielcz Raduńska 2016 - video data
Dane BadawczeThe video cameras installed on the Expressway S6 and motorway A1: 4 cameras in both directions, location: main road registered vehicles along the entire length of the road section. Cameras were mounted on 5-7 meter high masts. Date 29-31.07.2016
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The Role of Greenery and Traffic Calming Measures in Planning of Road Infrastracture
PublikacjaThe role of greenery and traffi c calming measures in road infrastructure planning. The “life” of a town is connected with its infrastructure. So it is that, apart from serving their principal function, motorways, roads, airports and other facilities which make transport possible largely determine contemporary urban design. To achieve balanced forms of urban infrastructure that ensure comfort, safety and spatial order, it is necessary when...
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Impact of overloaded vehicles on load equivalency factors and service period of flexible pavements
PublikacjaOverloaded vehicles occur less frequently in comparison to properly loaded vehicles but due to their greater potential to cause damage they significantly contribute to the distress of pavement structure. As the studies show, the phenomena of vehicles overloading intensifies when the control of traffic is poor and the average percentage of overloaded vehicles on analyzed roads varies from 6% to 23%. The main goal of the ar-ticle...
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Video traffic data - Interchange Piotrkow Trybunalski East (S8-12), weaving, Poland
Dane BadawczeThe data includes video traffic data registered with 2 video cameras at weaving area (weaving section type A) of the Piotrkow Trybunalski East interchange within S8 expressway in Poland (interchange of expressway S8 and national road 12), located in the Piotrkow Trybunalski area. The data covers the one day: 21.06.2017. (expressway S8).
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Field investigation of low-temperature cracking and stiffness moduli on selected roads with conventional and high modulus asphalt concrete
PublikacjaHigh Modulus Asphalt Concrete (HMAC) was introduced in Poland as a one of the solutions to the problem of rutting, type of deterioration common in the 1990s. After first encouraging trials in 2002 HMAC was widely used for heavily loaded national roads and motorways. However some concerns were raised about low-temperature cracking of HMAC. This was the main reason of the studies presented in this article were started. The article...
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LS-DYNA simulations of the impacts of a 38-ton Heavy Goods Vehicle into a road cable barrier
PublikacjaNowadays, more and more attention is being paid to safety on roads and motorways. It is due to the continuous development of road and motorway network and a significant increase of the number of vehicles on roads. To meet the expectations of improving road safety in Poland, the Road Innovations Development (RID) research programme was implemented in 2016. The aim of the RID 3A - Road Safety Equipment (RoSE) project is a comprehensive...
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Video traffic data - Interchanges Podwarpie (S1-86) - Entry + exit lanes, Poland
Dane BadawczeThe data includes video traffic data registered with 4 video cameras on entry or exit lanes of the Podwarpie interchange within S1 expressway in Poland (interchange of expressway S1 and national road 86), located in the Silesian Agglomeration). The data covers the one day: 23.05.2017 (expressway S1).
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Video traffic data - Interchange Piotrkow Trybunalski East (S8-12), exit lane, Poland
Dane BadawczeThe data includes video traffic data registered with 3 video cameras at exit lane of the Piotrkow Trybunalski East interchange within S8 expressway in Poland (interchange of expressway S8 and national road 12), located in the Piotrkow Trybunalski area. The data covers the one day: 21.06.2017 (expressway S8).
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Video traffic data - Interchange Podwarpie (S1-86) - weaving, Poland
Dane BadawczeThe data includes video traffic data registered with 4 video cameras at weaving area (weaving section type A) of the Podwarpie interchange within S1 expressway in Poland (interchange of expressway S1 and national road 86), located in the Silesian Agglomeration. The data covers the one day: 23.05.2017 (road 86).
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Video traffic data - Interchanges Grota Roweckiego (S86 - Grota Roweckiego)
Dane BadawczeThe data includes video traffic data registered with 2 video cameras at entry and exit lanes of the Grota Roweckiego interchange within S86 expressway in Poland (interchange of expressway S86 and Grota Roweckiego street), located in the Silesia Agglomeration. The data covers the one days: 23.05.2017 (expressway S86). The video cameras installed on the...
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S7-DK7 Myślenice Zakopane 2017 - video data
Dane BadawczeThe video cameras installed on the Expressway S7: 6 cameras in both directions, location: main road registered vehicles along the entire length of the road section. Cameras were mounted on 5-7 meter high masts. Date 11-15.08.2017
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Video traffic data - Interchange Lotnisko (S2-S79) - Exit +entry lanes, Poland
Dane BadawczeThe data includes video traffic data registered with 8 video cameras at entry or exit lanes of the Lotnisko interchange within S2 expressway in Poland (interchange of expressway S2 and expressway S79), located in the Warsaw Agglomeration. The data covers the one day: 05.09.2017 (expressway S2).
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Permanent traffic counting stations - Expressway S7 in Gdansk, Poland
Dane BadawczeThe data includes traffic data from permanent traffic count station located on the expressway S7 in the Tri-City Agglomeration area in Poland. The data covers the 2 months of 2015 (May, October) and one direction of traffic (eastbound).
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Właściwości niskotemperaturowe betonów asfaltowych o wysokim module sztywności (AC-WMS) w badaniach trzypunktowego zginania
PublikacjaArtykuł przedstawia właściwości niskotemperaturowe betonów asfaltowych o wysokim module sztywności. Przedstawione wyniki zostały uzyskane w dwóch badaniach zginania trzypunktowego próbek belkowych: ze stałą prędkością przemieszczenia oraz pod stałym obciążeniem. Obie te metody są od dawna stosowane na Politechnice Gdańskiej do oceny właściwości niskotemperaturowych betonów asfaltowych. Badaniu poddano pięć betonów asfaltowych –...
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Permanent traffic count stations - expressway S6 Poland 2016
Dane BadawczeThe data includes traffic data from permanent traffic count stations located on the expressway S6 in the Tri-City Agglomeration area in Poland. The data covers the 12 months of 2016.
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Video traffic data - Interchange Bielany (A4-5) - weaving, Poland
Dane BadawczeThe data includes video traffic data registered with 12 video cameras at weaving area (weaving section type A) of the Bielany interchange within A4 motorway in Poland (interchange of motorway A4 and nacional road 5), located in the Silesian Agglomeration.The data covers the one day: 07.06.2017 (motorway A4)
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Video traffic data - Interchanges Wolnosci (86 - 94)
Dane BadawczeThe data includes video traffic data registered with 3 video cameras at entry or exit lanes of the Wolnosci interchange within 86 national road in Poland (interchange of national roads 86 and 94 ), located in the Silesian Agglomeration). The data covers the one days: 22.05.201 (national road 86).
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Video traffic data - Interchange Slowackiego (S8-Slowackiego), Poland
Dane BadawczeThe data includes video traffic data registered with 4 video cameras at entry or exit lanes of the Slowackiego interchange within S8 expressway in Poland (interchange of expressway S8 and Slowackiego street), located in the Warsaw Agglomeration. The data covers the one day: 10-11.05.2017 (expressway S8).
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Video traffic data - Interchange Tychy (1-44), Poland
Dane BadawczeThe data includes video traffic data registered with 8 video cameras at weaving area (weaving section type A) of the Tychy interchange within national road 1 in Poland (interchange of national roads 1 and 44), located in the Silesian Agglomeration. The data covers the two days:13-14.09.2017.
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Video traffic data - Interchange Broniewskiego (S8-Broniewskiego), Poland
Dane BadawczeThe data includes video traffic data registered with 4 video cameras at entry or exit lanes of the Broniewskiego interchange within S8 expressway in Poland (interchange of expressway S8 and Broniewskiego street), located in the Warsaw Agglomeration. The data covers the two days: 10-11.05.2017 (expressway S8).
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Consideration of dynamic loads in the determination of axle load spectra for pavement design
PublikacjaAxle load spectra constitute a crucial part of the data for pavement design and pavement distress analysis. Typically, axle load spectra represent static load from vehicles and do not include dynamic loads generated by vehicles in motion. While dynamic loads can significantly contribute to faster pavement distress, this fact is mostly omitted in pavement design methods. The paper presents a methodology for consideration of dynamic...
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Video traffic data - Interchanges Lodz Polnoc (A1 - A2), Poland
Dane BadawczeThe data includes video traffic data registered with 13 video cameras at exit and entry lanes of the Lodz Polnoc interchange within A2 motorway in Poland (interchange of motorway A2 and A1), located in the Lodz Agglomeration.The data covers the two days: 29-30.09.2017 (motorway A2).
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Video traffic data - Interchange Karczemki (S6-501)
Dane BadawczeThe data includes video traffic data registered with 5 video cameras at weaving area (weaving section type A) of the Karczemki interchange within S6 expressway in Poland (interchange of expressway S6 and regional road 501), located in the Tri-City Agglomeration . The data covers the one day: 10.10.2017 (expressway S6).
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Video traffic data - Interchange Gdansk Poludnie (S6-S7), Poland
Dane BadawczeThe data includes video traffic data registered with 8 video cameras at exit and entry lanes of the Gdansk Poludnie interchange within S6 expressway in Poland (interchange of expressway S6 and S7), located in the Tri-City Agglomeration . The data covers the two days: 4.08.2020 and 6.08.2017 (expressway S6).
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Video traffic data - Interchange Skawina (A4-44), Poland
Dane BadawczeThe data includes video traffic data registered with 5 video cameras at entry and exit lanes of the Skawina interchange within A4 motorway in Poland (interchange of motorway A4 and national road 44), located in the Krakow Agglomeration. The data covers the one day: 31.08.2017 (motorway A4).
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Video traffic data - Interchange Krakow Poludnie (A4-7), Poland
Dane BadawczeThe data includes video traffic data registered with 5 video cameras at entry and exit lanes of the Krakow Poludnie interchange within A4 motorway in Poland (interchange of motorway A4 and national road 7), located in the Krakow Agglomeration. The data covers the one day: 29.08.2017 (motorway A4).
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Video traffic data - Interchange Lotnisko (S6-472) - Exit +entry lanes, Poland
Dane BadawczeThe data includes video traffic data registered with 6 video cameras at entry or exit lanes of the Lotnisko interchange within S6 expressway in Poland (interchange of expressway S6 and regional road 472), located in the Tri-City Agglomeration. The data covers the two days: 10.04.20187 and 12.04.2017(expressway S6).
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Video traffic data - Interchange Sulno (S1-94), Poland
Dane BadawczeThe data includes video traffic data registered with 8 video cameras at weaving area (weaving section type A) of the Sulno interchange within S1 expressway in Poland (interchange of expressway S1 and national road 94), located in the Silesian Agglomeration. The data covers the two days: 12.09.2017 (expressway S1) and 13.09.2017 (road 94).
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Safety PL - a support tool for Road Safety Impact Assessment
PublikacjaPublished on 19 November 2008, the European Union's Directive 2008/96/EC is one of the most important EU documents setting out a road safety orientation, in particular, road infrastructure safety management. It identifies four main areas of activity: road safety impact assessment, road safety audit, ranking of high accident concentration sections and network safety ranking and road infrastructure safety inspection. The Directive...
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Wpływ barier ochronnych na poziom bezpieczeństwa ruchu drogowego
PublikacjaWypadki drogowe wciąż stanowią znaczną przyczynę zgonów, dlatego bardzo ważnym jest odpowiednie kształtowanie otoczenia drogi – by mogło ono uzyskać miano „wybaczającego”. Artykuł stanowi wprowadzenie do tematyki drogowych barier ochronnych, i jest częścią pracy dyplomowej realizowanej na Politechnice Gdańskiej, w ramach której autorzy analizują zależności pomiędzy wypadkami a omawianymi urządzeniami BRD. W artykule przedstawiono...