Driver's Reaction Time in Evaluation of the Road Capacity

2015 ◽  
Vol 725-726 ◽  
pp. 1212-1217 ◽  
Author(s):  
Anastasiya Shevtsova ◽  
Ivan Novikov ◽  
Alexey Borovskoy
Keyword(s):  
Reaction Time ◽  
Road Network ◽  
Light Regulation ◽  
Light Control ◽  
Traffic Light ◽  
The Road ◽  
Road Section ◽  
Road Capacity ◽  
Traffic Light Control ◽  
On The Road

The paper gives an overview of researches of foreign scientists to change the driver's reaction time, depending on various road conditions, namely regarding the change of studied magnitude when using traffic-light signalization. Previously, the authors have carried out researches of capacity of road section with traffic light regulation, which allowed to establish the dependence of this parameter from the driver's reaction time. This paper proposes calculation of the road capacity using a variety values of the driver's reaction time derived from the analysis. The values obtained allow us to conclude that the inclusion of psychophysiological characteristics of drivers (such as reaction time) will affect both on road capacity and on the different methods of organization/reorganization of road networks sectors, which use the value of road capacity in their implementation.This article analyzes foreign researches devoted to changing the reaction time of drivers on the road conditions. Besides, the effect of changing the driver's reaction time on capacity of the road network sector with traffic-light control was considered.

Traffic Light Control Based on the Road Image Analysis

2015 ◽  
pp. 669-685
Author(s):  
Obada M. A. Bani Issa ◽  
Venus W. Samawi ◽  
Jehad Q. Alnihoud
Keyword(s):  
Image Analysis ◽  
Light Control ◽  
Traffic Light ◽  
The Road ◽  
Traffic Light Control ◽  
On The Road

scholarly journals Choice of the rational regimes of traffic light control for traffic and pedestrian flows

2021 ◽  
Vol 30 (1) ◽  
pp. 38-50
Author(s):  
Yevhen Fornalchyk ◽  
Oleh Hrytsun ◽  
Ivan Kernytskyy ◽  
Yuriy Royko
Keyword(s):  
Queue Length ◽  
Road Network ◽  
Light Control ◽  
Traffic Light ◽  
The Road ◽  
Capacity Ratio ◽  
Simultaneous Impact ◽  
Traffic Light Control ◽  
Light Signals ◽  
And Control

The method for the choice of rational regimes of traffic light control is developed based on the minimization of the number of violations the requirements of traffic light signals by pedestrians depending on the volume-capacity ratio of traffic lanes and control of vehicular queue on the approach to the stop-line. Assessment of rationality is carried out considering the simultaneous impact of such factors as roadway volume-capacity ratio, traffic light restrictive signal duration, the number of violations of the traffic rules by pedestrians, and maximal queue length of vehicles. The model of the change of the number of violations of the rules of crossing the roadway by pedestrians depending on the volume-capacity ratio of different intersection types is developed in this paper. The model of determining the maximal vehicular queue length before intersections depending on the volume-capacity ratio and the share of the restrictive signal on the lane in the control cycle is developed. Recommendations about the choice of rational regimes of traffic light control depending on traffic delay, planning parameters of the road network, and pedestrian behavior are proposed.

scholarly journals Analisis Kinerja Jalan Satu Arah di Kecamatan Semarang Tengah, Kota Semarang

2019 ◽  
Vol 31 (2) ◽  
pp. 55-66
Author(s):  
Astri Purnama Dewi ◽  
Syafrudin Syafrudin ◽  
Bambang Riyanto
Keyword(s):  
Road Network ◽  
Service Level ◽  
City Government ◽  
The Road ◽  
Road Section ◽  
Road Capacity ◽  
Traffic Loads ◽  
On The Road ◽  
The One ◽  
The City

Kota Semarang mengalami peningkatan pergerakan lalu lintas setiap tahunnya, khususnya  Kecamatan Semarang Tengah, yang memiliki fungsi sebagai kawasan pusat perbelanjaan, perdagangan dan jasa, perkantoran, dan pendidikan. Pemerintah Kota Semarang telah berupaya mengatasi permasalahan lalu lintas dengan menerapkan sistem satu arah pada ruas Jalan Gajahmada, Jalan Pandanaran, Jalan MH. Thamrin, Jalan Pemuda, Jalan Imam Bonjol Selatan, Jalan Kapten Piere Tendean, dan Jalan Indraprasta. Penelitian ini dilakukan untuk mengetahui gambaran efektivitas atas penerapan sistem satu arah pada ruas jalan tersebut dengan menggunakan metode analisis deskriptif dan kuantitatif hasil keluaran EMME2 versi 9.5. Hasil dari penelitian ini yakni setelah diterapkannya sistem satu arah masih terdapat ruas jalan yang mengalami penurunan kinerja jalan, yaitu ruas jalan Imam Bonjol Selatan belum sesuai dengan persyaratan fungsi jalan karena lebar badan jalannya hanya 10 meter sedangkan dalam persyaratan untuk fungsi jalan arteri sekunder lebar badan paling sedikit 11 meter, ruas Jalan Kapten Piere Tendean dan Pandanaran nilai DS 0.75 pada waktu sore hari dan berada pada tingkat pelayanan D pada ruas Jalan Pandanaran sedangkan tingkat pelayanan E berada pada ruas Jalan Kapten Piere Tendean. Selain itu, pada ruas Jalan Imam Bonjol Selatan, Kapten Piere Tendean, dan Pandanaran masih belum sesuai dengan indikator kinerja sistem jaringan jalan untuk meminimalisasi atau mengurangi ketertundaan total dan panjang perjalanan total karena kecepatan perjalanan menurun dan kapasitas jalan belum mampu menampung beban lalu lintas. Solusi penanganan yang dilakukan adalah nilai DS harus 0.75 dan maksimal menunjukkan ditingkat pelayanan C, Jalan Kapten Piere Tendean, dan Jalan Pandanaran, pelebaran jalan 1 meter pada ruas Jalan Imam Bonjol Selatan dan pengaturan off street parking pada ruas Jalan Imam Bonjol Selatan, Kapten Piere Tendean, dan Pandanaran. Kata kunci: EMME2 versi 9.5, kinerja sistem jaringan jalan, permasalahan lalu lintas, sistem satu arah.   Performance Analysis of One - Way Roads in Central Semarang District, Semarang : The city of Semarang is experiencing an increase in the movement of traffic every year, especially in Central Semarang District which has a function as a shopping center, trade and service area, office area, and education area. The Semarang City Government has tried to overcome traffic problems by implementing a one - way system on Gajahmada, Pandanaran, MH. Thamrin, Pemuda, Imam Bonjol Selata n, Piere Tendean, and Indraprasta streets . This study was conducted to determine the effectiveness of the implementation of the one - way system on the road using the analysis method, which wa s descriptive and quantitative output of EMME2 version 9.5. The re sults showed that after the implementation of one - way system, there was still decreased performance in some roads. The road segment in Imam Bonjol Selatan street had not fulfill the requirements for road functions because the width of the road wa s only 10 meters, mean while according to the requirements for secondary arterial road functions it should be at least 11 meters. The DS value of Piere Tendean and Pandanaran Roads was 0.75 in the afternoon . Furthermore, the level service of Pandanaran Road was D w hile Captain Piere Tendean Road section was E . In addition, Imam Bonjol Selatan, Captain Piere Tendean and Pandanaran Roads we re not in accordance with the performance indicators for the road network ing system to minimize or reduce total delays and total t rip length because travel speeds were declining and road capacity had not been able to accommodate traffic loads. T o overcome this problem the DS value must be 0.75 and the maximum service level should be C in Piere Tendean and Pandanaran Road s , widening 1 meter road on Imam Bonjol Selatan section, and setting off street parking on Imam Bonjol Selatan Road, Captain Piere Tendean, and Pandanaran. Keywords : EMME2 version 9.5, road network system performance, traffic problems, one - way system

scholarly journals Automated Density Based Traffic Light Control System using Arduino Platform

2019 ◽  
Vol 9 (1) ◽  
pp. 5269-5271
Keyword(s):  
Control System ◽  
Green Light ◽  
Fixed Time ◽  
Traffic Density ◽  
Light Control ◽  
Traffic Light ◽  
Light System ◽  
Time Period ◽  
Traffic Light Control ◽  
On The Road

In recent years, traffic Jams has become a serious problem across the globe. Current statistics reveals that, an average person spends around 4-6 months of his/her life by simply waiting for green light during traffic. Also when delay increases, it affects the commuters reach their destination so late resulting in severe consequences on day and day basis. In common, traffic can be controlled in several main junctions by incorporating either automated traffic light control system or through manual intervention by traffic police. However conventional traffic light system which involves fixed time slot allotted to each side of the junction is found to be poor efficient since it does not consider the varying traffic density. At certain instances, priority of the traffic system has to be changed dynamically based on more number of vehicles waiting on the road, arrival of VIP vehicles and ambulance vehicles etc. By considering the above facts, we have proposed an automated traffic light system which has inbuilt potential to prioritize the lane which is heavily congested. Our proposed system includes timer which runs for a specific time period and IR sensor is used to count the number of vehicles passing by during that time period. It also includes LED which is turned green on the lane with more number of vehicles. These peripherals were actuated based on the programming logic that is embedded in Arduino Mega platform. Finally, implementation results for the proposed system are provided in this paper.

Optimalisasi Lampu Lalu Lintas dengan Fuzzy Logic

2013 ◽  
Vol 5 (2) ◽  
pp. 58-62 ◽  
Author(s):  
Adhitya Yoga Yudanto ◽  
Marvin Apriyadi ◽  
Kevin Sanjaya
Keyword(s):  
Fuzzy Logic ◽  
Control System ◽  
Fuzzy Inference ◽  
System Control ◽  
Light Control ◽  
Traffic Light ◽  
Inference System ◽  
Traffic Lights ◽  
The Road ◽  
Traffic Light Control

The traffic lights problem is already commonly found in large cities. The traffic lights are supposed to control the flow of the road, but sometimes causes a congestion. This happens because the distribution of the time are all the same for all lines, without seeing the condition of the density of each lane. There’s one effort that can be done to overcome this problem, is to create a traffic light control system. With this system, the congestion that occurs around the traffic lights can be reduced. This system is using fuzzy logic. Fuzzy logic is one of computer science that studies about the value of truth that worth a lot. For example, a air conditioning system control subway Sendai in Japan. As for making a traffic light control system, the author using Fuzzy Inference System (FIS) that already exist in the application of MATLAB R2013a with Mamdani method. Index Terms —fuzzy logic, traffic lights, MATLAB.

scholarly journals Reinforcement Learning Agent under Partial Observability for Traffic Light Control in Presence of Gridlocks

10.29007/bdgn ◽  
2019 ◽  
Author(s):  
Thanapapas Horsuwan ◽  
Chaodit Aswakul
Keyword(s):  
Reinforcement Learning ◽  
Road Network ◽  
Road Traffic ◽  
Learning Approaches ◽  
Light Control ◽  
Traffic Light ◽  
Rapid Urbanization ◽  
Partial Observability ◽  
Traffic Light Control ◽  
Network Area

Bangkok is notorious for its chronic traffic congestion due to the rapid urbanization and the haphazard city plan. The Sathorn Road network area stands to be one of the most critical areas where gridlocks are a normal occurrence during rush hours. This stems from the high volume of demand imposed by the dense geographical placement of 3 big educational institutions and the insufficient link capacity with strict routes. Current solutions place heavy reliance on human traffic control expertises to prevent and disentangle gridlocks by consecutively releasing each queue length spillback through inter-junction coordination. A calibrated dataset of the Sathorn Road network area in a microscopic road traffic simulation package SUMO (Simulation of Urban MObility) is provided in the work of Chula-Sathorn SUMO Simulator (Chula-SSS). In this paper, we aim to utilize the Chula-SSS dataset with extended vehicle flows and gridlocks in order to further optimize the present traffic signal control policies with reinforcement learning approaches by an artificial agent. Reinforcement learning has been successful in a variety of domains over the past few years. While a number of researches exist on using reinforcement learning with adaptive traffic light control, existing studies often lack pragmatic considerations concerning application to the physical world especially for the traffic system infrastructure in developing countries, which suffer from constraints imposed from economic factors. The resultant limitation of the agent’s partial observability of the whole network state at any specific time is imperative and cannot be overlooked. With such partial observability constraints, this paper has reported an investigation on applying the Ape-X Deep Q-Network agent at the critical junction in the morning rush hours from 6 AM to 9 AM with practically occasional presence of gridlocks. The obtainable results have shown a potential value of the agent’s ability to learn despite physical limitations in the traffic light control at the considered intersection within the Sathorn gridlock area. This suggests a possibility of further investigations on agent applicability in trying to mitigate complex interconnected gridlocks in the future.

scholarly journals Optimization of Traffic Light Control Using Fuzzy Logic Sugeno Method

2020 ◽  
Vol 1 (2) ◽  
pp. 51-61
Author(s):  
Ria Yuliani Kartikasari
Keyword(s):  
Fuzzy Logic ◽  
Green Light ◽  
Major Influence ◽  
Traffic Light ◽  
The Road ◽  
Traffic Conditions ◽  
Smooth Flow ◽  
Traffic Light Control ◽  
Light Duration ◽  
On The Road

Congestion is one of the big problems around the world, especially for big cities. Intersections are the scene of congestion because the lane is the meeting point of two or more roads which has a major influence on the smooth flow of vehicles on the road network. This congestion occurs due to various factors, one of which is the statistical traffic light duration, which does not match traffic conditions. Based on this, there needs to be a development in the timing of a more adaptive green light. This study describes the design of a traffic light controller using the Sugeno method fuzzy logic. This study aims to design a green light duration calculation by applying fuzzy logic that results in adaptive traffic light duration at intersections, by entering the density of each intersection path, which is divided into 4 inputs, namely regulated lane density, opposing lane density I, and opposite lane density. II, the density of the opposite lane III, with the aim of the system being able to produce a duration that is in accordance with the current traffic situation with an output in the form of a green light duration on the regulated lane.

scholarly journals Road Traffic Safety Analysis Of Different Junction Types On The State Roads

2021 ◽  
Vol 1202 (1) ◽  
pp. 012034
Author(s):  
Valentina Amare ◽  
Juris Smirnovs
Keyword(s):  
Traffic Safety ◽  
Road Network ◽  
Traffic Accidents ◽  
Road Traffic ◽  
Road Accidents ◽  
The Road ◽  
Road Traffic Safety ◽  
Road Capacity ◽  
On The Road ◽  
The Impact

Abstract The highest number of road accidents occurs at junctions. One of the aims of traffic organisation is to improve traffic safety in these areas. Based on a variety of indices – road capacity, points of conflict, number, and severity of road traffic accidents – different alternatives for junctions are evaluated. However, the road network has many junctions and roads serve to travel from point "A" to point "B" at a given time. Therefore, one of the most important tasks when addressing the issue of road safety is to find a rational way of improving the safety without losing the importance of the road. The aim of this paper is to analyse the impact of different junctions on the road network and basing on actual data develop a method for the evaluation of different types of junctions with respect to road class.

scholarly journals DETERMINATION OF THE CONDITIONS FOR THE APPLICATION OF THE F. WEBSTER FORMULA FOR DETERMINING THE TRANSPORT DELAY AT A CIRCULAR INTERSECTION WITH TRAFFIC LIGHT REGULATION AND A CUT-THROUGH CENTRAL ISLAND

2021 ◽  
pp. 76-86
Author(s):  
Yu.Ya. Komarov ◽  
◽  
S.V. Ganzin ◽  
D.D. Silchenkov ◽  
◽  
...  
Keyword(s):  
Traffic Congestion ◽  
Road Network ◽  
Road Traffic ◽  
High Reliability ◽  
Calculated Data ◽  
Light Regulation ◽  
Traffic Light ◽  
Software Complex ◽  
Transport Delay ◽  
The Road

The main method of determining transport delay in the national methodical and educational literature is its calculation according to the methodology (formula) of F. Webster (1958), which is based on the theory of mass service. However, in conditions of high traffic congestion or traffic congestion, experimental and calculated data at simple intersections vary considerably. The definition of delays for complex intersections, in particular for the Hamburger Through-About Intersection (further HTAI) is also contradictory. The aim of the study is to improve determine the area of application of F. Webster’s formula for a little-studied roundabouts HTAI. For the first time, the paper addresses the selection of parameters of the HTAI in urban settings, and also introduces a method of calculating transport delays depending on various factors. For the purpose of the study, the hypothesis is put forward that the application of the Webster formula depends on the intensity of traffic on the main and secondary roads, the degree of loading in directions and transport demand for left-turning traffic. According to the hypothesis, on the basis of the collected data, transport delays are calculated on the HTAI from the selected factors. To justify the adequacy of calculations, the method of simulation in the Aimsun (micro-modeling) software complex is used. On the basis of in-kind surveys of section of the road network, a high-reliability simulation model was created, reflecting the current situation at regulated intersection, and also assessed the feasibility of using the HTAI on a section of the road network. There are dependencies of transport delays on traffic in the main and secondary road, effective duration of the cycle of regulation on the main road, traffic on roundabout, the diameter of the islet for the HTAI. Thus, based on the resulting mathematical model, the range of application of the Webster formula is defined, which is affected by the number of lanes for the main and secondary roads, the degree of loading in directions and the number of lanes on the ring. Further research involves the development of a methodology for calculating the parameters of the HTAI.

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