Billy M. Williams

发表

Application of a Discontinuous Form of Macroscopic Gazis–Herman–Rothery Model to Steady-State Freeway Traffic Stream Observations

Ishtiak Ahmed, Billy M. Williams, M. Shoaib Samandar, 2018 .

Smartlink – Baseline for Measurement of Benefits

Nagui M. Rouphail, George F. List, John A Wagner, 2015 .

The Network Kinematic Waves Model: A Simplified Approach to Network Traffic

Billy M. Williams, Daiheng Ni, John D. Leonard, 2006, J. Intell. Transp. Syst..

Reasonable Speed Limits on Suburban Multilane Highways With Curbs

Jongdae Baek, Billy M. Williams, Joseph E. Hummer, 2006 .

Real time traffic flow outlier detection using short-term traffic conditional variance prediction

Jianhua Guo, Billy M. Williams, Wei Huang, 2015 .

Comparative Evaluation of Reported Speeds from Corresponding Fixed-Point and Probe-Based Detection Systems

Billy M. Williams, Nagui M. Rouphail, R Thomas Chase, 2012 .

Adaptive Seasonal Time Series Models for Forecasting Short-Term Traffic Flow

Billy M. Williams, Shashank Shekhar, S. Shekhar, 2007 .

Improved Flow-Based Travel Time Estimation Method from Point Detector Data for Freeways

Laurence R. Rilett, Billy M. Williams, Lellitha D. Vanajakshi, 2009 .

Reliability Assessment Tool: Development and Prototype Testing

Nagui M. Rouphail, George F. List, Russell Smith, 2018 .

Crash Classification by Congestion Type for Highways

George F. List, Tai-Jin Song, Billy M. Williams, 2020, Applied Sciences.

Modeling and Forecasting Vehicular Traffic Flow as a Seasonal ARIMA Process: Theoretical Basis and Empirical Results

Billy M. Williams, Lester A. Hoel, L. Hoel, 2003, Journal of Transportation Engineering.

Weigh Station Impact on Truck Travel Time Reliability: Results and Findings from a Field Study and a Simulation Experiment

Ishtiak Ahmed, Billy M. Williams, M. Shoaib Samandar, 2018 .

Probe Data Exploration, Processing and Application for Project Performance Evaluation

Billy M. Williams, Nagui M. Rouphail, Bastian J. Schroeder, 2017 .

DETERMINING TRAFFIC STREAM IMPACTS OF RADAR DETECTORS USING MICROSCOPIC SIMULATION

Billy M. Williams, John D. Leonard, Marcelo Oliveira, 2003 .

Fundamental Insight into Signal Plan Transition Methods

Jisun Lee, Billy M. Williams, 2011 .

Exploring Vehicle–Pedestrian Crash Severity Factors on the Basis of In-Car Black Box Recording Data

Tai-Jin Song, Jaehyun So, Jisun Lee, 2017 .

Development and evaluation of a constrained optimization model for traffic signal plan transition

Jisun Lee, Billy M. Williams, 2011 .

Roundabout Performance Analysis When Introducing Slip Lanes

Billy M. Williams, William J. Rasdorf, Bastian J. Schroeder, 2011 .

Validation and Calibration of Freeway Reliability Methodology in the Highway Capacity Manual: Method and Case Studies

Billy M. Williams, Nagui M. Rouphail, Seyedbehzad Aghdashi, 2018 .

Dynamic Traffic Flow Model for Travel Time Estimation

Billy M. Williams, Ting Yi, 2015 .

Incorporating Stochastic Road Capacity into Day-to-Day Traffic Simulation and Traveler Learning Framework

Xuesong Zhou, Billy M. Williams, Mingxin Li, 2011 .

Guide to Establishing Monitoring Programs for Travel Time Reliability

Asad J. Khattak, Rob Hranac, Tiffany Barkley, 2014 .

Development of Near Real Time Performance Measurements for Closed-Loop Signal Systems (CLS) Using Historical Traffic Data from Existing Loop Detectors and Signal Timing Data

Nagui M. Rouphail, Billy M. Williams, Ali Hajbabaie, 2014 .

Comparison of parametric and nonparametric models for traffic flow forecasting

Billy M. Williams, Brian L. Smith, R Keith Oswald, 2002 .

Performance in Takeover and Characteristics of Non-driving Related Tasks during Highly Automated Driving in Younger and Older Drivers

Jing Feng, Anne Collins McLaughlin, Billy M. Williams, 2017 .

Dynamic Bandwidth Analysis for Coordinated Arterial Streets

Nagui M. Rouphail, Billy M. Williams, Ali Hajbabaie, 2016, J. Intell. Transp. Syst..

I-40 Lane Reversal Traffic Analysis

Nagui M. Rouphail, Billy M. Williams, Joseph E. Hummer, 2006 .

Analyzing Operational Improvements as an Alternative to Traditional Highway Construction

Xuesong Zhou, Wayne Kittelson, Billy M. Williams, 2011 .

Assessing Operational, Pricing, and Intelligent Transportation System Strategies for the I-40 Corridor Using DYNASMART-P

Asad J. Khattak, Nathan Huynh, Hyejung Hu, 2011 .

Data-driven approach for identifying spatiotemporally recurrent bottlenecks

Tai-Jin Song, Billy M. Williams, Nagui M. Rouphail, 2018 .

Development of an Oversaturated Speed–Flow Model Based on the Highway Capacity Manual

Billy M. Williams, Nagui M. Rouphail, R Thomas Chase, 2013 .

Adaptive Kalman filter approach for stochastic short-term traffic flow rate prediction and uncertainty quantification

Jianhua Guo, Billy M. Williams, Wei Huang, 2014 .

Simulation and Analysis of Freeway Lane Reversal for Coastal Hurricane Evacuation

Nagui M. Rouphail, Billy M. Williams, Joseph E. Hummer, 2007 .

Temporal Stability of Freeway Macroscopic Traffic Stream Models

Billy M. Williams, Nagui M. Rouphail, Chenhao Liu, 2012 .

Multivariate Vehicular Traffic Flow Prediction: Evaluation of ARIMAX Modeling

Billy M. Williams, 2001 .

THE ROLE OF INSTRUMENTED VEHICLE DATA IN

Randall Guensler, Billy M. Williams, R. Guensler, 2002 .

Traveler Information Delivery Mechanisms

Asad J. Khattak, Yingling Fan, Nagui M. Rouphail, 2008, Transportation Research Record: Journal of the Transportation Research Board.

Work Zone Traffic Analysis & Impact Assessment

Nagui M. Rouphail, Billy M. Williams, Brian Narron, 2014 .

Delay and user cost estimation for work zones on urban arterials : final project report.

Nagui M. Rouphail, Billy M. Williams, Brian Narron, 2015 .

Effectiveness of traveler information tools : final report, January 2008.

Asad J. Khattak, Nagui M. Rouphail, Hyejung Hu, 2008 .

Reasonable Speeds on Improved Curb and Gutter Facilities

Jongdae Baek, Billy M. Williams, Joseph E. Hummer, 2005 .

Real-Time Short-Term Traffic Speed Level Forecasting and Uncertainty Quantification Using Layered Kalman Filters

Jianhua Guo, Billy M. Williams, J. Guo, 2010 .

Assessment of the Current Status of Incident Detection Algorithms: Results of a Nationwide Survey

Billy M. Williams, Angshuman Guin, Daiheng Ni, 2004 .

Analysis of Single-Lane Roundabout Slip Lanes Using SIDRA

Billy M. Williams, Bastian J Schroeder, William Rasdorf, 2011 .

Data Collection Time Intervals for Stochastic Short-Term Traffic Flow Forecasting

Brian Lee Smith, Jianhua Guo, Billy M. Williams, 2007 .

Validation of Travel Time Reliability Prediction from Probe Data

Billy M. Williams, M. Shoaib Samandar, Andy Wagner, 2018 .

Traffic Management Center Use of Incident Detection Algorithms: Findings of a Nationwide Survey

Billy M. Williams, Angshuman Guin, Angshuman Guin, 2007, IEEE Transactions on Intelligent Transportation Systems.

Synthesizing Route Travel Time Distributions from Segment Travel Time Distributions

George F. List, Alan F. Karr, Billy M. Williams, 2013 .

Systematic Approach for Validating Traffic Simulation Models

Billy M. Williams, Angshuman Guin, Daiheng Ni, 2004 .

Establishing Monitoring Programs for Travel Time Reliability [supporting datasets]

Asad J. Khattak, Rob Hranac, Tiffany Barkley, 2014 .

Integrated Heteroscedasticity Test for Vehicular Traffic Condition Series

Jianhua Guo, Billy M. Williams, Wei Huang, 2012 .

Urban Freeway Traffic Flow Prediction: Application of Seasonal Autoregressive Integrated Moving Average and Exponential Smoothing Models

Billy M. Williams, Priya K. Durvasula, Donald E. Brown, 1998 .

Effectiveness of Traveler Information Tools

Asad J. Khattak, Nagui M. Rouphail, Hyejung Hu, 2008 .

MODELING AND FORECASTING VEHICULAR TRAFFIC FLOW AS A SEASONAL STOCHASTIC TIME SERIES PROCESS

Billy M. Williams, L. Hoel, 1999 .

Investigating the relationship between freeway rear-end crash rates and macroscopically modeled reaction time

Billy M. Williams, Ishtiak Ahmed, M. Samandar, 2020, 2004.11422.

Modeling Seasonal Heteroscedasticity in Vehicular Traffic Condition Series Using a Seasonal Adjustment Approach

Wei Huang, Billy M. Williams, Guogang Shi, 2014 .

Detailed Analysis of Travel Time Reliability Performance Measures from Empirical Data

Nagui M. Rouphail, Billy M. Williams, R Thomas Chase, 2013 .

PARAMETRIC AND NONPARAMETRIC TRAFFIC VOLUME FORECASTING

Brian Lee Smith, Billy M. Williams, R Keith Oswald, 2000 .

Identification and Calibration of Site-Specific Stochastic Freeway Breakdown and Queue Discharge

Nagui M. Rouphail, Billy M. Williams, Anxi Jia, 2010 .

Delay Analysis of Single-Lane Roundabout with a Slip Lane under Varying Exit Types, Experimental Balanced Traffic Volumes, and Pedestrians, Using Microsimulation

Billy M. Williams, William J. Rasdorf, Bastian J Schroeder, 2012 .

Drone Delivery of an Automated External Defibrillator.

Billy M. Williams, Jessica K. Zegre‐Hemsey, W. Rosamond, 2020, The New England journal of medicine.

Transit in the Era of Shared Mobility

Billy M. Williams, K. Watkins, N. McDonald, 2019 .

Conflict Models for Single-Lane Roundabout Slip Lanes from Microsimulation

Billy M. Williams, Bastian J Schroeder, William Rasdorf, 2011 .

Abstract 53: Aerial Drone versus Ground Search for Delivery of an Automated External Defibrillator (AED) for Out-of-hospital Cardiac Arrest: A Comparison of Elapsed Time and Bystander Experience in a Community Setting

Billy M. Williams, W. Rosamond, Anna M. Johnson, 2020 .

Mobility and Reliability Performance Measurement

Nagui M. Rouphail, Billy M. Williams, David W Craft, 2013 .

Real-Time Prediction of Seasonal Heteroscedasticity in Vehicular Traffic Flow Series

Jinde Cao, Wei Huang, Yun Wei, 2018, IEEE Transactions on Intelligent Transportation Systems.