Joint Probability Distributions of Vehicle Location and Speed on Arterial...
Monitoring traffic conditions over large road networks has proven a significant challenge for many transportation authorities. However, the rich probe vehicle data that has become available in recent...
View ArticleThe TSP Favorability Score: A Planning Tool to Prioritize Transit Signal...
Transit agencies are increasingly looking to prioritize investments that can be implemented at relatively low-cost, such as Transit Signal Priority (TSP). This project examined traffic signal and...
View ArticleOptimal Deployment of Hybrid Alternative Power System at Signalized...
Traffic signal power failures can degrade the efficiency and safety at intersections that warrant traffic signal control. Alternative Power Sources (APS) are typically used to power traffic signals...
View ArticleUnified Route Choice Framework and Empirical Study in Urban Traffic Control...
Route choice systems (RCS) and traffic control systems (TCS) constitute two major approaches to mitigating congestion in urban road networks. The interaction between signal control and route choice is...
View ArticleNatural Wind Response and Fatigue Assessment of a Cantilevered Traffic Signal...
Recent findings have identified vortex shedding as a significant excitation mechanism responsible for the amplified across-wind response of cantilevered traffic signal structures. As a result, this...
View ArticleField Testing of the Signal Head Vibration Absorber Mitigation Device to...
The signal head vibration absorber (SHVA) is an effective vibration mitigation device proposed to reduce the in-plane wind-induced vibration and corresponding fatigue of traffic signal support...
View ArticleNetwork Flow Solution Method for Optimal Integrated Traffic Routing and...
This paper proposes an efficient two-stage network flow approach for finding the optimal integrated traffic routing and signal timing for evacuating real-sized urban networks with several threat zones,...
View ArticleIntegrated Design and Operation of Urban Arterials with Reversible Lanes
Reversible lane operation, an effective strategy to relieve traffic congestion in urban arterials, must interact with other conventional traffic management and control components in the arterial,...
View ArticleComparative Evaluation of Benefits from Traffic Signal Retiming and Green...
One of the ways to reduce excessive stop-and-go driving on urban streets is to optimize signal timings. More recently new methods in traffic signal optimization have incorporated changes in drivers’...
View ArticlePlatoon-Based Signal Timing Algorithm for Isolated Intersection Using State...
Benefit from modern V2I technologies, more accurate information about individual vehicles is now available, making it possible to operate signal timing more intelligently. Based on the provided...
View ArticlePerformance Assessment of Multi-Modal Traffic System Using Micro-Simulation...
The purpose of this paper is to define a methodology to evaluate the performance of a multi-modal traffic signal system. Previous studies have concentrated on performance assessment for each mode. The...
View ArticleAn Advanced Signal Phasing Scheme for Diverging Diamond Interchanges
A diverging diamond interchange (DDI), also called a double crossover diamond interchange (DCD), is a relatively new interchange type in the U.S. Due to its many advantages over the conventional...
View ArticleMitigating Right Turn Conflict Using Protected-Yet-Concurrent Phasing for...
Pedestrian and bicycle crossings need to be protected from right turns as well as left turns in situations where there are high right turn volumes or speeds. The right turn volume threshold at which a...
View ArticleCoping with Real-World Challenges in Real-Time Urban Traffic Control
In urban road networks, the use of real-time adaptive traffic signal control systems faces two typical challenges. First, various sources of uncertainty and disturbance can significantly degrade the...
View ArticleDeploying Weather Responsive Traffic Signal Operations in Utah
Proactive management of traffic signal operations during weather events remains a priority with the Utah Department of Transportation (UDOT). With the assistance of the Federal Highway Administration’s...
View ArticleOptimal Intersection Operation with Median U-Turn: Lane-Based Approach
The median u-turn intersection is one potential method of relieving traffic congestion at intersections. According to the difference of the prohibited traffic movement, the median u-turn intersection...
View ArticleEffect of Cycle Length of A New Traffic Signal Timing on Diverging Diamond...
Only two diverging diamond interchange (DDI) existed in France prior to 2009. DDI is a new type of diamond interchange for many professionals and it provokes their strong interests in studying on it....
View ArticleAn Interactive Decision Support System for Predicting Flashing Yellow Arrow...
Accommodating left turns at signalized intersections has been a challenge for traffic engineers as they seek balance between two conflicting goals; capacity and safety. The use of a four-section...
View ArticleEstimating Vehicles in Dilemma Zone and Application to Fixed-Time Coordinated...
Most traffic accidents are related to driving behaviors. Dangerous driving behaviors may occur if a vehicle is trapped in the dilemma zone. Traditional methods to calculate the number of vehicles in...
View ArticleNetwork Capacity on Signalized Road Network with Reversible Lanes
This paper studies the network capacity problem on signalized road network with reversible lanes. A Mixed Network Design Problem (MDNP) is formulated where the upper-level problem is a mixed integer...
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