Works (73)

2021 journal article

Impacts of Private Autonomous and Connected Vehicles on Transportation Network Demand in the Triangle Region, North Carolina

JOURNAL OF URBAN PLANNING AND DEVELOPMENT, 147(1).

By: M. Hasnat, E. Bardaka, M. Samandar n, N. Rouphail, G. List & B. Williams

Sources: Web Of Science, ORCID
Added: February 1, 2021

2021 article

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

TRANSPORTMETRICA A-TRANSPORT SCIENCE, Vol. 4, pp. 1–44.

By: I. Ahmed, B. Williams, M. Samandar n & G. Chun

Sources: Web Of Science, ORCID
Added: May 10, 2021

2020 journal article

Crash Classification by Congestion Type for Highways

APPLIED SCIENCES-BASEL, 10(7), 2583.

By: T. Song, S. Kim, B. Williams, N. Rouphail & G. List

Sources: Web Of Science, ORCID
Added: July 6, 2020

2020 journal article

Drone Delivery of an Automated External Defibrillator

New England Journal of Medicine, 383(12), 1186–1188.

By: W. Rosamond*, A. Johnson*, B. Bogle*, E. Arnold, C. Cunningham*, M. Picinich n, B. Williams, J. Zègre-Hemsey*

Source: ORCID
Added: October 3, 2020

2018 journal article

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

TRANSPORTATION RESEARCH RECORD, 2672(20), 51–62.

By: I. Ahmed, B. Williams & M. Samandar n

Sources: Web Of Science, ORCID
Added: June 4, 2019

2018 journal article

Data-driven approach for identifying spatiotemporally recurrent bottlenecks

IET Intelligent Transport Systems, 12(8), 756–764.

By: T. Song*, B. Williams & N. Rouphail

Sources: NC State University Libraries, ORCID
Added: October 16, 2018

2018 journal article

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

IEEE Transactions on Intelligent Transportation Systems, 19(10), 3170–3180.

By: W. Huang*, W. Jia*, J. Guo*, B. Williams, G. Shi*, Y. Wei*, J. Cao*

Sources: NC State University Libraries, ORCID
Added: October 19, 2018

2018 journal article

Reliability Assessment Tool: Development and Prototype Testing

TRANSPORTATION RESEARCH RECORD, 2672(14), 29–38.

By: G. List, N. Rouphail, R. Smith n & B. Williams

Sources: Web Of Science, ORCID
Added: May 28, 2019

2018 journal article

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

TRANSPORTATION RESEARCH RECORD, 2672(15), 93–104.

By: N. Karmakar, S. Aghdashi, N. Rouphail & B. Williams

Sources: Web Of Science, ORCID
Added: June 4, 2019

2018 journal article

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

TRANSPORTATION RESEARCH RECORD, 2672(9), 120–129.

By: M. Samandar n, B. Williams & I. Ahmed

Sources: Web Of Science, ORCID
Added: May 28, 2019

2017 journal article

Advances in travel time reliability monitoring and assessment

Journal of Intelligent Transportation Systems: Technology, Planning, and Operations, 21(6), 435–438.

By: G. List & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 book

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

In Transportation Research Record (Vol. 2659, pp. 148–154).

By: T. Song*, J. So*, J. Lee* & B. Williams

Source: ORCID
Added: November 8, 2022

2017 conference paper

Performance in takeover and characteristics of non-driving related tasks during highly automated driving in younger and older drivers

Proceedings of the Human Factors and Ergonomics Society, 2017-October, 37–41.

By: H. Clark n, A. McLaughlin n, B. Williams & J. Feng n

Source: ORCID
Added: November 8, 2022

2016 journal article

Dynamic Bandwidth Analysis for Coordinated Arterial Streets

Journal of Intelligent Transportation Systems: Technology, Planning, and Operations, 20(3), 294–310.

By: S. Kim, A. Hajbabaie, B. Williams & N. Rouphail

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Dynamic traffic flow model for travel time estimation

Transportation Research Record, (2526), 70–78.

By: T. Yi & B. Williams

Source: NC State University Libraries
Added: August 6, 2018

2015 book

Dynamic traffic flow model for travel time estimation

In Transportation Research Record (Vol. 2526, pp. 70–78).

By: T. Yi* & B. Williams

Source: ORCID
Added: November 8, 2022

2015 journal article

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

Transportation Research Part C: Emerging Technologies, 50, 160–172.

By: J. Guo*, W. Huang* & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

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

Transportation Research Part C: Emerging Technologies, 43, 50–64.

By: J. Guo*, W. Huang* & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

Erratum for “Modeling Seasonal Heteroscedasticity in Vehicular Traffic Condition Series Using a Seasonal Adjustment Approach” by Guogang Shi, Jianhua Guo, Wei Huang, and Billy M. Williams

Journal of Transportation Engineering, 140(9), 08014002.

By: G. Shi*, J. Guo*, W. Huang* & B. Williams

Sources: Crossref, ORCID
Added: December 21, 2020

2014 journal article

Erratum to "Modeling seasonal heteroscedasticity in vehicular traffic condition series using a seasonal adjustment approach" by Guogang Shi, Jianhua Guo, Wei Huang, and Billy M. Williams [Journal of Transportation Engineering (2014)]

Journal of Transportation Engineering, 140(9).

By: G. Shi*, J. Guo*, W. Huang* & B. Williams

Source: ORCID
Added: November 8, 2022

2014 journal article

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

Journal of Transportation Engineering, 140(5), 04014012.

By: G. Shi*, J. Guo*, W. Huang* & B. Williams

Sources: NC State University Libraries, Crossref, ORCID
Added: August 6, 2018

2014 article

Modeling seasonal heteroscedasticity in vehicular traffic condition series using a seasonal adjustment approach (vol 140, 04014012, 2014)

Journal of Transportation Engineering, Vol. 140.

By: G. Shi, J. Guo, W. Huang & B. Williams

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

Development of an oversaturated speed-flow model based on the highway capacity manual

Transportation Research Record, (2395), 41–48.

By: Y. Xu, B. Williams, N. Rouphail & R. Chase

Source: NC State University Libraries
Added: August 6, 2018

2013 book

Development of an oversaturated speed-flow model based on the highway capacity manual

In Transportation Research Record (pp. 41–48).

By: Y. Xu*, B. Williams, N. Rouphail n & R. Chase*

Source: ORCID
Added: November 8, 2022

2013 book

Synthesizing route travel time distributions from segment travel time distributions

In Transportation Research Record (pp. 71–81).

By: I. Isukapati, G. List, B. Williams & A. Karr

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2012 book

Comparative evaluation of reported speeds from corresponding fixed-point and probe-based detection systems

In Transportation Research Record (pp. 110–119).

By: R. Chase n, B. Williams, N. Rouphail & S. Kim

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2012 journal article

Delay analysis of single-lane roundabout with a slip lane under varying exit types, experimental balanced traffic volumes, and pedestrians, using microsimulation

Transportation Research Record, (2312), 76–85.

By: M. Al-Ghandour, B. Schroeder, W. Rasdorf & B. Williams

Source: NC State University Libraries
Added: August 6, 2018

2012 book

Delay analysis of single-lane roundabout with a slip lane under varying exit types, experimental balanced traffic volumes, and pedestrians, using microsimulation

In Transportation Research Record (pp. 76–85).

By: M. Al-Ghandour*, B. Schroeder n, W. Rasdorf n & B. Williams

Source: ORCID
Added: November 8, 2022

2012 journal article

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

Transportation Research Part C: Emerging Technologies, 20(1), 185–198.

By: J. Lee* & B. Williams

Sources: Crossref, ORCID
Added: December 21, 2020

2012 journal article

Integrated heteroscedasticity test for vehicular traffic condition series

Journal of Transportation Engineering, 138(9), 1161–1170.

By: J. Guo*, W. Huang* & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2012 journal article

Temporal stability of freeway macroscopic traffic stream models

Transportation Research Record, (2315), 131–140.

By: C. Liu, B. Williams & N. Rouphail

Source: NC State University Libraries
Added: August 6, 2018

2012 book

Temporal stability of freeway macroscopic traffic stream models

In Transportation Research Record (pp. 131–140).

By: C. Liu*, B. Williams & N. Rouphail n

Source: ORCID
Added: November 8, 2022

2012 journal article

‘Real-time road traffic forecasting using regime-switching space-time models and adaptive lasso’ by Y. Kamarianakis, W. Shen, and L. Wynter

Applied Stochastic Models in Business and Industry, 28(4), 319–321.

By: B. Williams

Sources: NC State University Libraries, Crossref, ORCID
Added: August 6, 2018

2011 conference paper

Analysis of Single-Lane Roundabout Slip Lanes Using SIDRA

In I. L. Al-Qadi & S. Murrell (Eds.), T & DI Congress 2011 : integrated transportation and development for a better tomorrow : proceedings of the First Transportation and Development Institute Congress : March 13-16, 2011, Chicago, Illinois (pp. 1235–1244).

By: M. Al-Ghandour, W. Rasdorf, B. Williams & B. Schroeder n

Ed(s): I. Al-Qadi & S. Murrell

Event: First Transportation and Development Institute Congress at Chicago, IL on March 13-16, 2011

Sources: Crossref, ORCID
Added: February 24, 2020

2011 journal article

Analyzing Operational Improvements as an Alternative to Traditional Highway Construction

Transportation Research Record, (2223), 18–25.

By: W. Kittelson*, N. Rouphail, B. Williams & X. Zhou*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2011 book

Analyzing operational improvements as an alternative to traditional highway construction

In Transportation Research Record (pp. 18–25).

By: W. Kittelson*, N. Rouphail n, B. Williams & X. Zhou*

Source: ORCID
Added: November 8, 2022

2011 journal article

Conflict Models for Single-Lane Roundabout Slip Lanes from Microsimulation Development and Validation

Transportation Research Record, (2236), 92–101.

By: M. Al-Ghandour*, B. Schroeder, B. Williams & W. Rasdorf

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2011 book

Conflict models for single-lane roundabout slip lanes from microsimulation: Development and validation

In Transportation Research Record (pp. 92–101).

By: M. Al-Ghandour*, B. Schroeder n, B. Williams & W. Rasdorf n

Source: ORCID
Added: November 8, 2022

2011 conference paper

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

Procedia - Social and Behavioral Sciences, 17, 490–508.

By: J. Lee & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2011 journal article

Fundamental Insight into Signal Plan Transition Methods

Journal of Transportation Engineering, 137(10), 676–686.

By: J. Lee n & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2011 journal article

Incorporating Stochastic Road Capacity into Day-to-Day Traffic Simulation and Traveler Learning Framework Model Development and Case Study

Transportation Research Record, (2254), 112–121.

By: A. Jia, X. Zhou*, M. Li*, N. Rouphail n & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2011 book

Incorporating stochastic road capacity into day-to-day traffic simulation and traveler learning framework: Model development and case study

In Transportation Research Record (pp. 112–121).

By: A. Jia n, X. Zhou*, M. Li*, N. Rouphail n & B. Williams

Source: ORCID
Added: November 8, 2022

2010 journal article

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

Transportation Research Record, (2188), 148–155.

By: A. Jia, B. Williams & N. Rouphail

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2010 book

Identification and calibration of site-specific stochastic freeway breakdown and queue discharge

In Transportation Research Record (pp. 148–155).

By: A. Jia*, B. Williams & N. Rouphail*

Source: ORCID
Added: November 8, 2022

2010 journal article

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

Transportation Research Record, (2175), 28–37.

By: J. Guo* & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2010 book

Real-time short-term traffic speed level forecasting and uncertainty quantification using layered Kalman filters

In Transportation Research Record (pp. 28–37).

By: J. Guo* & B. Williams

Source: ORCID
Added: November 8, 2022

2009 journal article

Improved flow-based travel time estimation method from point detector data for freeways

Journal of Transportation Engineering, 135(1), 26–36.

By: L. Vanajakshi n, B. Williams & L. Rilett n

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2009 journal article

Modeling the Role of Transportation Information in Mitigating Major Capacity Reductions in a Regional Network

Transportation Research Record, (2138), 75–84.

By: H. Hu n, B. Williams, N. Rouphail, A. Khattak* & X. Zhou*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2009 book

Modeling the role of transportation information in mitigating major capacity reductions in a regional network

In Transportation Research Record (pp. 75–84).

By: H. Hu n, B. Williams, N. Rouphail n, A. Khattak* & X. Zhou*

Source: ORCID
Added: November 8, 2022

2008 journal article

Traveler Information Delivery Mechanisms Impact on Consumer Behavior

Transportation Research Record, (2069), 77–84.

By: A. Khattak*, X. Pan*, B. Williams, N. Rouphail & Y. Fan*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2008 book

Traveler information delivery mechanisms: Impact on consumer behavior

In Transportation Research Record (pp. 77–84).

By: A. Khattak*, X. Pan*, B. Williams, N. Rouphail n & Y. Fan*

Source: ORCID
Added: November 8, 2022

2007 journal article

Adaptive seasonal time series models for forecasting short-term traffic flow

Transportation Research Record, (2024), 116–125.

By: S. Shekhar* & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2007 book

Adaptive seasonal time series models for forecasting short-term traffic flow

In Transportation Research Record (pp. 116–125).

By: S. Shekhar* & B. Williams

Source: ORCID
Added: November 8, 2022

2007 journal article

Data collection time intervals for stochastic short-term traffic flow forecasting

Transportation Research Record, (2024), 18–26.

By: J. Guo*, B. Williams & B. Smith*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2007 book

Data collection time intervals for stochastic short-term traffic flow forecasting

In Transportation Research Record (pp. 18–26).

By: J. Guo*, B. Williams & B. Smith*

Source: ORCID
Added: November 8, 2022

2007 journal article

Simulation and analysis of freeway lane reversal for coastal hurricane evacuation

Journal of Urban Planning and Development, 133(1), 61–72.

By: B. Williams, A. Tagliaferri n, S. Meinhold n, J. Hummer & N. Rouphail

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2007 journal article

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

IEEE Transactions on Intelligent Transportation Systems, 8(2), 351–358.

By: B. Williams & A. Guin*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2006 journal article

Comprehensive Evaluation of Guardrail Delineation Systems

Public Works Management &Amp; Policy, 11(1), 49–62.

By: B. Williams, A. Amekudzi*, D. Folds*, A. Zureick* & Y. Kim*

Source: ORCID
Added: November 8, 2022

2006 journal article

Reasonable Speed Limits on Suburban Multilane Highways with Curbs

Transportation Research Record, (1969), 10–17.

By: J. Baek n, J. Hummer n, B. Williams & C. Cunningham n

Source: ORCID
Added: November 8, 2022

2006 chapter

Reasonable speed limits on suburban multilane highways with curbs

In Highway safety: law enforcement; alcohol; driver training; safety planning and management; commercial vehicles; and motorcycles (pp. 10–17). Washington: Transportation Research Board Natl Research Council.

By: J. Baek, J. Hummer, B. Williams & C. Cunningham

Source: NC State University Libraries
Added: August 6, 2018

2006 chapter

Reasonable speed limits on suburban multilane highways with curbs

In Highway Safety: Law Enforcement; Alcohol; Driver Training; Safety Planning and Management; Commercial Vehicles; and Motorcycles (pp. 10–17). http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000243925000002&KeyUID=WOS:000243925000002

By: J. Baek, J. Hummer, B. Williams, C. Cunningham & Trb

Source: ORCID
Added: November 8, 2022

2006 journal article

The network kinematic waves model: A simplified approach to network traffic

Journal of Intelligent Transportation Systems: Technology, Planning, and Operations, 10(1), 1–14.

By: D. Ni*, J. Leonard* & B. Williams

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2004 journal article

Systematic Approach for Validating Traffic Simulation Models

Transportation Research Record, 1876(1876), 20–31.

By: D. Ni*, J. Leonard*, A. Guin* & B. Williams

Source: ORCID
Added: November 8, 2022

2004 chapter

Systematic approach for validating traffic simulation models

In Calibration and validation of simulation models 2004 (pp. 20–31). Washington, DC: Transportation Research Board.

By: D. Ni, J. Leonard, A. Guin & B. Williams

Source: NC State University Libraries
Added: August 6, 2018

2004 chapter

Systematic approach for validating traffic simulation models

In Calibration and Validation of Simulation Models 2004 (pp. 20–31). http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000227334900003&KeyUID=WOS:000227334900003

By: D. Ni, J. Leonard, A. Guin, B. Williams & Tbr

Source: ORCID
Added: November 8, 2022

2003 journal article

Determining traffic stream impacts of radar detectors using microscopic simulation

Journal of Transportation Engineering, 129(1), 7–15.

By: M. Oliveira*, B. Williams & J. Leonard*

Source: ORCID
Added: November 8, 2022

2003 journal article

Modeling and forecasting vehicular traffic flow as a seasonal ARIMA process: Theoretical basis and empirical results

Journal of Transportation Engineering, 129(6), 664–672.

By: B. Williams & L. Hoel*

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2002 journal article

Comparison of parametric and nonparametric models for traffic flow forecasting

Transportation Research Part C: Emerging Technologies, 10(4), 303–321.

By: B. Smith*, B. Williams & R. Keith Oswald*

Source: ORCID
Added: November 8, 2022

2001 journal article

Multivariate Vehicular Traffic Flow Prediction: Evaluation of ARIMAX Modeling

Transportation Research Record, 1776(1776), 194–200.

By: B. Williams

Source: ORCID
Added: November 8, 2022

2001 chapter

Multivariate vehicular traffic flow prediction - Evaluation of ARIMAX modeling

In Traffic Flow Theory and Highway Capacity 2001 (pp. 194–200). http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000176595900025&KeyUID=WOS:000176595900025

By: B. Williams & Trb

Source: ORCID
Added: November 8, 2022

1998 journal article

Freight planning requirements for interstate corridors

Transportation Quarterly, 52(2), 39–48. http://www.scopus.com/inward/record.url?eid=2-s2.0-0032021740&partnerID=MN8TOARS

By: B. Williams & L. Hoel

Source: ORCID
Added: November 8, 2022

1998 journal article

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

Transportation Research Record, 1644(1644), 132–141.

By: B. Williams, P. Durvasula* & D. Brown*

Source: ORCID
Added: November 8, 2022

1998 chapter

Urban freeway traffic flow prediction - Application of seasonal autoregressive integrated moving average and exponential smoothing models

In Traffic Flow Theory (pp. 132–141). http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000082030300014&KeyUID=WOS:000082030300014

By: B. Williams, P. Durvasula, D. Brown & Nrc

Source: ORCID
Added: November 8, 2022

Employment

2018 - present

North Carolina State University Raleigh, NC, US
Director Institute for Transportation Research and Education

2015 - present

North Carolina State University Raleigh, NC, US
Professor Civil, Construction, and Environmental Engineering

2008 - 2015

North Carolina State University Raleigh, NC, US
Associate Professor Civil, Construction, and Environmental Engineering

2002 - 2008

North Carolina State University Raleigh, NC, US
Assistant Professor Civil, Construction, and Environmental Engineering

1999 - 2002

Georgia Institute of Technology Atlanta, GA, US
Assistant Professor School of Civil and Environmental Engineering

1988 - 1999

University of Virginia Charlottesville, VA, US
Post-doctoral Research Associate Civil and Environmental Engineering

1990 - 1995

Kimley-Horn and Associates, Inc. Raleigh, NC, US
Consulting Engineer Transportation Planning and Traffic Operations

1987 - 1988

United States Navy - Civil Engineer Corps Washington, DC, US
Assistant Staff Civil Engineer/Lieutenant Jr. Grade(O-2) and Lieutenant (O-3) Field Support Activity

1984 - 1986

United States Navy - Civil Engineer Corps Long Beach, CA, US
Assistant Resident Officer in Charge of Construction/Ensign(O-1) and Lieutenant Jr. Grade (O-2) Resident Officer in Charge of Construction

Education

1995 - 1999

University of Virginia Charlottesville, VA, US
PhD Transportation Civil and Environmental Engineering

1988 - 1990

North Carolina State University Raleigh, NC, US
MCE Transportation Civil, Construction, and Environmental Engineering

1980 - 1984

North Carolina State University Raleigh, NC, US
BS Civil Engineering Civil, Construction, and Environmental Engineering