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Unmanned Aerial Vehicle-Based Traffic Analysis: A Case Study for Shockwave Identification and Flow Parameters Estimation at Signalized Intersections

Muhammad Khan, Wim Ectors, Tom Bellemans, Davy Janssens, Geert Wets
2018 Remote Sensing  
These processed trajectories are then employed for shockwave analysis and queue estimation at the signalized intersection.  ...  indicators in order to study flow conditions at a signalized intersection.  ...  This paper presents an analytical methodology specifically aimed for a systematic traffic flow analysis at signalized intersections.  ... 
doi:10.3390/rs10030458 fatcat:vsly6b7hvnhgpghqhirsbwmyg4

The Analysis the Role of Motorcycles on Saturation Flow Rates at Signalized Intersections in Gorgan

Seyed Rasoul Davoodi, Saman Sadeghiyan, Seyed Farzin Faezi
2015 Indian Journal of Science and Technology  
One of the traffic parameters associated with the traffic conditions for each country is saturation flow rate at signalized intersections.  ...  rate by Malaysian HCM based on the motorcycles out of the flow and at the end, comparison of observed and estimated saturation flow rate.  ...  Jin Xin CAO et al used video method to investigate the bicycle flow at signalized Intersection 6 . Their purpose was to estimate the flow capacity of the bicycles at signalized intersection.  ... 
doi:10.17485/ijst/2015/v8i13/52915 fatcat:d45a6mcsm5ahvd6wzsausyeahi

Investigation of saturation flow rate using video camera at signalized intersections in Jordan

Bara' W. Al-Mistarehi, Ahmad H. Alomari, Mohamad S. Al Zoubi
2020 Open Engineering  
AbstractThis study aimed to investigate a potential list of variables that may have an impact on the saturation flow rate (SFR) associated with different turning movements at signalized intersections in  ...  Furthermore, the presence of camera enforcement, number of lanes, speed limit, city, traffic volume, and area type are the factors that impact SFR for through movements only (THMO) with R2 = 69.6%.  ...  Traffic signals can be applied to systemize the flow at intersections and remove many struggles because various traffic streams can be assigned the use of the intersection at various times.  ... 
doi:10.1515/eng-2021-0021 fatcat:2hf232hnireqziowa2qhgml7mm

Integrating Data Mining and Microsimulation Modelling to Reduce Traffic Congestion: A Case Study of Signalized Intersections in Dhaka, Bangladesh

S.M. Labib, Hossain Mohiuddin, Irfan Mohammad Al Hasib, Shariful Hasnine Sabuj, Shrabanti Hira
2019 Urban Science  
Video footage of traffic from the studied intersection was analyzed using a computer vision tool that extracted traffic flow data.  ...  A growing body of research has applied intelligent transportation technologies to reduce traffic congestion at signalized intersections.  ...  s pursuit of Master's Degrees at Bangladesh University of Engineer and Technology (BUET). The VISSIM modelling was taught and supervised by Md.  ... 
doi:10.3390/urbansci3020041 fatcat:zoowxmnetneazhqyd4dw4dhpci

TRAFFIC SIGNAL EVALUATION USING A MODIFIED PASSENGER CAR EQUIVALENT UNIT

Xuan Ha NGUYEN, Wen Long YUE
2007 Journal of the Eastern Asia Society for Transportation Studies  
Due to the nature of such a traffic stream, the method commonly used in evaluating the efficiency of traffic signals cannot be adopted here.  ...  Then aaSIDRA is applied to conduct a standard evaluation process on the performance of traffic signal designs; a range of output from aaSIDRA can be used to compare the differences with different signal  ...  AKNOWLEDEGEMENT The authors would like to thank the sponsor, the Vietnamese government, who provided funding for such a research to be conducted.  ... 
doi:10.11175/easts.7.2207 fatcat:cot44ohxc5aj5darok7b4xiktq

Evaluation of left turn channelization at a signalized intersection under heterogeneous traffic conditions

Asaithambi Gowri, Ramaswamy Sivanandan
2008 Transport  
Analysis estimated that vehicle waiting times were reduced if a channelization was provided for a high traffic volume and certain proportions of left turn vehicles in the intersection approach.  ...  This paper presents the development of a simulation model to imitate the flow of heterogeneous traffic through a signalized intersection.  ...  Hossain (2001) estimated saturation flow at signalized intersections based on road width, turning proportion and percentage of heavy and non-motorized vehicles using a micro-simulation modelling approach  ... 
doi:10.3846/1648-4142.2008.23.221-229 fatcat:xvn7sojn5zdlbjsriqw7d6ehpe

Data collection and analysis of macroscopic real-time urban traffic flow

Nidhi, D. K. Lobiyal
2015 2015 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC)  
The operation of traffic at peak period at Tanke roundabout Ilorin, Nigeria was evaluated with observatory (manual) and video-graphic for the data capture and analysis.  ...  Effective management of urban congestion derives directly from accurate data collection and analysis at intersections.  ...  Video image of traffic at University approach Plate 4 . 4 Video image of traffic at Tanke Junction approach Figure 2 . 2 Schematic diagram showing traffic turning movements and adjusted volumes for  ... 
doi:10.1109/iccic.2015.7435733 fatcat:ct4k6nsdfngubgesutv6672nmu

EVALUATION AND RETIMING OF A PRE-TIMED TRAFFIC SIGNAL IN BENIN CITY, NIGERIA

HAP Audu, OO Obhielo, JO Ehiorobo
2015 Nigerian Journal of Technology  
the current volume of traffic and saturation flow traffic signal using the current volume of traffic and saturation flow traffic signal using the current volume of traffic and saturation flow traffic  ...  Retiming analysis and evaluation ation ation ation was carried out based on Highway capacity model for designing traffic signal timing parameters.  ...  Figure 3 : 3 Total traffic volumes analysis trend at Iyaro intersection for each hour Figure 4 :Figure 5 : 45 Phase configuration showing the allowed movements during three phases Final signal timing  ... 
doi:10.4314/njt.v35i1.2 fatcat:cxiegbupavd4pm2l5aw4242io4

Effect of Skewed Signalised T–intersection on Traffic Delay

Othman Che Puan, Hardi Saadullah Fathullah, M. Al–Muz–Zammil Yasin, Muttaka Na'iya Ibrahim, Shafini Halim
2013 Jurnal Teknologi  
Generally a traffic signal system is designed to control traffic movements at road intersections without considering the orientation of the intersection.  ...  Two models of skewed intersection based on a normal T-intersection were simulated at minor approach at 45 º (i.e. skewed to the left), and 135 º (i.e. skewed to the right), respectively.  ...  Acknowledgement The authors would like to thank the management of Universiti Teknologi Malaysia for providing the necessary facilities to support this research work.  ... 
doi:10.11113/jt.v65.2141 fatcat:zhejtrjzgbatzjaxzzytdqllc4

Traffic Light Controller System using Optical Flow Estimation

Fiftin Noviyanto, Yana Hendriana, Bayu Nadya Kusuma
2015 International Journal of Computer Applications Technology and Research  
This system will calculate number of vehicles on the road by moving detection and tracking system developed based on optical flow estimation and green light counter will be based on the calculated number  ...  is wasted for unused traffic density road and if one road is at high traffic it continuously grows till human intervention.  ...  It intelligently recognizes the volume of the traffic at each side of the intersection thereby providing an adequate amount of time for the traffic to pass.  ... 
doi:10.7753/ijcatr0410.1007 fatcat:xp3oqlylpvfbzmcqspg3xengle

Generating Traffic Statistical Profiles Using Unmanned Helicopter-Based Video Data

Anuj Puri, Kimon Valavanis, Michael Kontitsis
2007 Engineering of Complex Computer Systems (ICECCS), Proceedings of the IEEE International Conference on  
Generated profiles, which are continuously updated, are used to calibrate traffic model parameters, to obtain more accurate and reliable simulation models, and for model modifications.  ...  of traffic patterns.  ...  The authors would like to thank Pei Sung Lin, Senior Researcher, Center for Urban Transportation Research (CUTR), USF for his insightful comments and contribution.  ... 
doi:10.1109/robot.2007.363095 dblp:conf/icra/PuriVK07 fatcat:ghpcvpkr4ve57hoarvxhq2rkfu

Itinerary planning with deadline in headway-based bus networks minimizing lateness level

Yu Zhang, Jiafu Tang, Lily Chen
2014 Proceeding of the 11th World Congress on Intelligent Control and Automation  
Traffic signal planning for new installations involves the estimation of saturation headway for green time allocation to optimize intersection throughput.  ...  average effective green time per cycle), was developed for estimating actual saturation headway at intersections specific to the Alabama region.  ...  ACKNOWLEDGEMENTS The authors thank Alabama Department of Transportation for providing the initial support and funding towards conducting the traffic field surveys.  ... 
doi:10.1109/wcica.2014.7052754 fatcat:p6mso4h5kzgfdheeiyktrqxd2m

A Surrogate Video-Based Safety Methodology for Diagnosis and Evaluation of Low-Cost Pedestrian-Safety Countermeasures: The Case of Cochabamba, Bolivia

Lynn Scholl, Mohamed Elagaty, Bismarck Ledezma-Navarro, Edgar Zamora, Luis Miranda-Moreno
2019 Sustainability  
We find that motorcycles, turning movements, and roundabouts, are among the key factors related to pedestrian crash risk, and that the implemented treatments were effective at four-legged intersections  ...  crossings at risky intersections in the city of Cochabamba, Bolivia.  ...  The authors are also grateful to Joao Sarolli and Jean Pol Armijos, at the Inter-American Development Bank, and anonymous peer reviewers for their comments and suggestions on earlier manuscript drafts.  ... 
doi:10.3390/su11174737 fatcat:4t6tf3nxobg3fb4slxck4yzxgy

Saturation Flow Rate Measurement on a Four Arm Signalized Intersection of Ahmedabad City

A J Mavani, H B Patel, P M Shah, Dr. H R Varia
2016 International Journal of Engineering Research and  
The analysis is based on video graphic data collected during peak hours at the selected intersection.  ...  The intersection has pre-timed signal control system. Its snap shot for geometric details is shown in Fig. 3 .  ...  Traffic studies were conducted at the selected junction to collect the following data:  Classified traffic volume with rurning movements using video camera;  Intersection geometry; and  Saturation flow  ... 
doi:10.17577/ijertv5is030290 fatcat:xnlutfd4svhbdlpb262x565vmq

Detecting Cycle Failures at Signalized Intersections Using Video Image Processing

Jianyang Zheng, Yinhai Wang, Nancy L. Nihan, Mark E. Hallenbeck
2006 Computer-Aided Civil and Infrastructure Engineering  
In this paper, we introduce an algorithm for traffic signal cycle failure detection using video image processing.  ...  Cycle failure detection is essential for identifying signal control problems at intersections. However, typical traffic sensors do not have the capability of capturing cycle failures.  ...  The HCM provides methodologies to estimate LOS and queue length using roadway geometry, traffic volumes, and signal timing data.  ... 
doi:10.1111/j.1467-8667.2006.00447.x fatcat:sfwdiou62vh6ljmkanpw2m7u7i
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