Simple Methodology to Estimate Queue Lengths at Signalized Intersections...
This paper presents a simple methodology to estimate queue length on an approach to a signalized intersection. This method has a minimal set of data requirements specifically flow, occupancy, cycle...
View ArticleA Coordinated Optimization Model for Signal Timings of Full Continuous Flow...
Continuous flow intersection was invented by Francisco Mier to improve traffic operation in the intersection that suffers from traffic problems caused by heavy left-turn movement. Although it has...
View ArticleTravel Time Reliability in Signal Control Problem: Simulation-Based...
Traffic signal control is a cost-effective way to make better use of the existing capacity of an urban transportation network. It is widely accepted that traffic signal benefits are not fully realized...
View ArticleTravel Time Estimation for Signalized Arterials Using Probabilistic Modeling
Travel time is an important performance measure for transportation facilities. The objective of this research is to develop a model for estimating travel time for signalized arterials using...
View ArticleFuzzy Logic for Improved Dilemma Zone Identification: A Driving Simulator Study
Type-II dilemma zones are the segment of roadway approaching an intersection where drivers have difficulty deciding to stop or proceed at the onset of the circular yellow (CY) indication. Signalized...
View ArticleDesign and Implementation of Emergency Vehicle Signal Preemption System Based...
Emergency vehicle such as ambulance or fire truck is an important part of traffic flow. The efficiency, reliability and safety of emergency vehicle operations dropped due to increasing traffic...
View ArticleQuantifying and Comparing Left-Turn Strategy Travel Time and Queuing Performance
Intersection performance is often impacted and even limited by the need to serve left turn movements. Left turns may be served in a number of ways, varying from permitted left turns to flashing yellow...
View ArticleCoordinated Optimization of Signal Timings for Intersection Approach with...
Many congested intersections have heavy traffic volumes on movements where there is insufficient capacity due to geometric limitations. Installing pre-signals at midblock locations and reorganizing...
View ArticleIncreasing the Capacity of Signalized Intersections by Dynamically Using...
Many congested intersections have heavy traffic volumes on movements where there is insufficient capacity due to geometric limitations. This paper presented an unconventional approach to increase the...
View ArticleDevelopment and Testing of Priority Control System in Connected Vehicle...
Traffic signals provide service for multiple modes of travelers including vehicles, trucks, transit, pedestrians, bicycles, and emergency vehicles. Past research and experience have demonstrated the...
View ArticleMulti-Regime Adaptive Signal Control for Congested Urban Roadway Networks
A hierarchical adaptive signal control is developed and implemented in New York City to manage congestion in a complex urban roadway environment. A set of control strategies, ranging from strategically...
View ArticleOverview of the Draft Roadway Access Management Guidelines for the Port...
This paper provides an overview of the efforts by the Port Authority of New York and New Jersey (“the Port Authority”) to develop and implement a Roadway Access Management Guidelines document for its...
View Article"Midtown in Motion": A New Active Traffic Management Methodology and Its...
This paper summarizes a new active traffic management methodology developed and deployed in New York City. The design, development and implementation of the methodology are driven by the availability...
View ArticleDecision-Support System for Assessment of Alternative Signal Controllers...
The standardization of controller hardware under the Advanced Transportation Controller standard provided the flexibility for customized development of controller software. However, a multitude of...
View ArticleA Probability Model for Understanding the Effect of Detector Delay on...
Detector delay as a useful detector timing feature is often recommended to minimizing the disruptions on major movements by one or more minor movements. However, this benefit of detector delay is not...
View ArticleEffect of Left-Turn Operational Mode on Pedestrian Safety: Development of...
Pedestrian safety is a growing concern at signalized intersections. Pedestrians crossing a street at an intersection are exposed to interactions with turning vehicles, and these interactions sometimes...
View ArticleEvaluating Impacts of Flashing Green before Amber on Drivers' Stop/Cross...
To better understand the safety effects of flashing green before amber on signalized intersections in China, this study compares drivers’ stop/cross decisions at the onset of the amber phase at...
View ArticleReliable Short-Term Traffic Flow Forecasting for Urban Roads Using a...
Short-term traffic flow forecasting plays an essential role to the advanced traveler information systems, route guidance systems, and proactive traffic signal control systems. Therefore, numerous...
View ArticleAn Optimized Advance Detector Configuration for Option Zone Protection at...
Advance detection and green extension schemes are widely applied in practice as a typical solution to the safety issues associated with the intersection dilemma zone (DZ) problem. Most existing...
View ArticleTesting Strategies to Reduce Pedestrian Delay at Signalized Intersections: A...
Recently, walking has gained attention as an environmentally and economically sustainable transportation mode. While, the increased focus on pedestrians has led to infrastructure and safety related...
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