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Guðmundur Freyr Úlfarsson - Professor

Guðmundur Freyr Úlfarsson

–

School of Engineering and Natural Sciences

Guðmundur Freyr Úlfarsson

Professor

Professor of Transportation Engineering

Email
gfu [at] hi.is

Unit
Faculty of Civil and Environmental Engineering

Curriculum Vitae
Guðmundur Freyr Úlfarsson - Curriculum Vitae
Consultation hours
Please make contact using email to schedule a meeting.
ORCID site
https://orcid.org/0000-0002-0094-7531
Research portal – Guðmundur Freyr Úlfarsson

Professional Experience

2007 - , Professor, Civil and Environmental Engineering University of Iceland
2023 - 2028, Chairman, Safety Investigation Authority of Iceland
2014 - 2024, Head of Faculty, Civil and Environmental Engineering, University of Iceland
2018 - 2023, Committee member, Safety Investigation Authority of Iceland
2014 - 2018, Deputy member, Safety Investigation Authority of Iceland
2012 - 2015, Chairman, University of Iceland Engineering Research Institute
2008 - 2014, Vice Head of Faculty, Civil and Environmental Engineering, University of Iceland
2011 - 2014, Program Chair, Civil and Environmental Engineering, University of Iceland
2003 - 2007, Director, Transportation Systems Engineering Program
2003 - 2007, Assistant Professor, Civil Engineering, Washington University in St. Louis
2002 - 2003, Research Associate, Daniel J. Evans School of Public Affairs University of Washington
2001 - 2002, Research Associate, Civil and Environmental Engineering, University of Washington
1997 - 2001, Research Assistant, Civil and Environmental Engineering, University of Washington
1996 - 1997, Valle Scholar, Civil Engineering, University of Washington
1995 - 1996, Teacher, Commercial College of Iceland
1994 - 1996, Research Scientist, Icelandic Meteorological Ocffie
1991 - 1995, Research Assistant, Physics, Science Institute, University of Iceland
1993 - 1994, Research Assistant, Icelandic Meteorological Office

Published works

2022

Cruising Under and Post the COVID Pandemic: Toward Realization of the United Nations’ Sustainable Development GoalsJournal of Marine Science and Engineering

2021

Mutual information analysis of the factors influencing port throughputMaritime Business Review
A model for port throughput forecasting using Bayesian estimationMaritime Economics & Logistics
Eyjafjallajökull eruption in 2010Science for disaster risk management 2020: acting today, protecting tomorrow.
Impacts of transportation and industrial complexes on establishment-level productivity growth in KoreaTransport Policy
Staying home or going places: Mobility factors of older minority women's daily trip making in the United StatesJournal of Transport & Health
Framework for Dealing with Uncertainty in the Port Planning ProcessJournal of Waterway, Port, Coastal, and Ocean Engineering

2020

A value-based definition of success in adaptive port planning: a case study of the Port of Isafjordur in IcelandMaritime Economics & Logistics

2019

Increasing Resilience through Interaction: Stakeholder Workshop on Aviation and Volcanic AshIDRiM Journal
Ageing and transportationUrban Environments for Healthy Ageing: A Global Perspective
Stakeholder salience and prioritization for port master planning, a case study of the multi-purpose port of isafjordur in IcelandEuropean Journal of Transport and Infrastructure Research
Traffic safety in an aging society: Analysis of older pedestrian crashesJournal of Transportation Safety and Security
A hierarchical Bayesian logistic regression with a finite mixture for identifying higher-than-expected crash proportions at intersectionsJournal of Transportation Safety & Security
Developing scenarios to explore impacts and weaknesses in aviation response exercises for volcanic ash eruptions in EuropeJournal of Air Transport Management

2018

The effect of wind energy production on cross-border electricity pricing: The case of western Denmark in the Nord Pool marketEconomic Analysis and Policy
Volcanic ash and aviation: Recommendations to improve preparedness for extreme eventsTransportation Research Part A: Policy and Practice
Transportation infrastructure investment and the location of new manufacturing around South Korea's West Coast ExpresswayTransport Policy
Comparison of pelvic floor muscle strength in competition-level athletes and untrained women,Samanburdur á styrk grindarbotnsvödva hjá keppnisípróttakonum og ópjálfuδum konumLaeknabladid

2017

Cooperation Between Science and Aviation-Sector Service Providers in Europe for Risk Management of Volcanic AshTransportation Research Record: Journal of the Transportation Research Board
A long-term analysis studying the effect of changes in the Nordic electricity supply on Danish and Finnish electricity pricesEconomic Analysis and Policy
Identification of development areas in a warming Arctic with respect to natural resources, transportation, protected areas, and geographyFutures

2016

Trip making of older adults in Seoul: Differences in effects of personal and household characteristics by age group and trip purposeJournal of Transport Geography
Spatial regression analysis of traffic crashes in SeoulAccident Analysis & Prevention
Traffic crash analysis and preventionThe Routledge Handbook of Transportation
Traffic Crash History of Cognitively Impaired Drivers in MissouriTransportation Research Record: Journal of the Transportation Research Board
Air industry response to volcanic eruptionsNovel Multi-Sector Partnerships in Disaster Risk Management

2015

Activity Space of Older and Working-Age Adults in the Puget Sound Region, WashingtonTransportation Research Record
Effect of Driving Behavior and Vehicle Characteristics on Energy Consumption of Road Vehicles Running on Alternative Energy SourcesInternational Journal of Sustainable Transportation
Urban household travel behavior in a time of economic crisis: Changes in trip making and transit importanceJournal of Transport Geography
Family reports of medically impaired drivers in Missouri: Cognitive concerns and licensing outcomesAccident Analysis and Prevention

2014

Extending the Highway Safety Manual (HSM) framework for traffic safety performance evaluationSafety Science
A heterogeneity-in-means count model for evaluating the effects of interchange type on heterogeneous influences of interstate geometrics on crash frequenciesAnalytic Methods in Accident Research
Transportation Deficiencies for Older Adults in Seoul, South KoreaTransportation Research Record

2013

Random parameter models of interstate crash frequencies by severity, number of vehicles involved, collision and location typeAccident Analysis and Prevention
Driver-injury severity in single-vehicle crashes in California: A mixed logit analysis of heterogeneity due to age and genderAccident Analysis and Prevention
Transportation in an Aging Society Linkage Between Transportation and Quality of LifeTransportation Research Record
A theory of the evolution of settlement structures based on identification and use of patterns: Iceland as a case studyFutures

2012

Megapatterns of global settlement: Typology and drivers in a warming worldFutures
Commitment to Light Rail Transit Patronage: Case Study for St. Louis MetroLinkJournal of Urban Planning and Development-Asce

2011

Impacts and Responses of Icelandic Aviation to the 2010 Eyjafjallajokull Volcanic Eruption Case StudyTransportation Research Record
Model of Relationship Between Interstate Crash Occurrence and Geometrics Exploratory Insights from Random Parameter Negative Binomial ApproachTransportation Research Record
Future changes in activity structures of the globe under a receding Arctic ice scenarioFutures

2010

Analyzing fault in pedestrian-motor vehicle crashes in North CarolinaAccident Analysis and Prevention
A note on modeling pedestrian-injury severity in motor-vehicle crashes with the mixed logit modelAccident Analysis and Prevention
The American Medical Association Older Driver Curriculum: Changes in Health Professional Trainee Confidence, Attitudes & Practice BehaviorGerontology and Geriatrics Education

2009

Traffic Sign Comprehensibility in an Aging Society A Study of "Photo-Enforced Traffic Signal Ahead" SignageTransportation Research Record
Unobserved heterogeneity and heteroskedasticity due to age when modeling pedestrian injury severity in motor vehicle crashesThe 88th Annual Meeting of the Transportation Research Board
Adaptation and Change with Global Warming: Emerging Spatial World Structure and Transportation ImpactsTransportation Research Record
Motor-vehicle crash history and licensing outcomes for older drivers reported as medically impaired in MissouriAccident Analysis and Prevention

2008

Children's travel to school: Discrete choice modeling of correlated motorized and nonmotorized transportation modes using covariance heterogeneityEnvironment and Planning B: Planning and Design
Riding the Light Rails: Analysis of User Satisfaction and Personal, Temporal, and Environmental FactorsThe 87th Annual Meeting of the Transportation Research Board
Age and pedestrian injury severity in motor-vehicle crashes: A heteroskedastic logit analysisAccident Analysis and Prevention
When the oldest-old are reported as unfit drivers: Medical status, mortality, & on-road performanceGerontologist
Modeling micro-spatial employment location patterns: A comparison of count and choice approachesGeographical Analysis
Does 'smart growth' matter to public finance?Urban Studies
Curbing automobile use for sustainable transportation: Analysis of mode choice on short home-based tripsTransportation
Medical fitness to drive and a voluntary state reporting lawAAA Foundation for Traffic Safety

2007

Bicyclist injury severities in bicycle-motor vehicle accidentsAccident Analysis and Prevention
Modeling the probability of freeway rear-end crash occurrenceJournal of Transportation Engineering-Asce
Analysis of light rail rider travel behavior: Impacts of individual, built environment, and crime characteristics on transit accessTransportation Research Part A: Policy and Practice
Incorporating land use in metropolitan transportation planningTransportation Research Part A: Policy and Practice

2006

Is access management good for business? Business perceptions of the effects of traffic access management on accessibility and patronageTransportation Planning and Technology
Factors affecting common vehicle-to-vehicle collision types: Road safety priorities in an aging societyTransportation Research Record: Journal of the Transportation Research Board
The cycle of fragmentation and sprawl: a conceptual framework and empirical modelEnvironment and Planning B-Planning & Design

2005

The effect of variable message and speed limit signs on mean speeds and speed deviationsInternational journal of vehicle information and communication systems
The crash severity impacts of fixed roadside objectsJournal of Safety Research

2004

Travel mode choice of the elderly - Effects of personal, household, neighborhood, and trip characteristicsTransportation Research Record
Relationship of shopping activity duration and travel time with planning-level network and socioeconomic factorsTransportation Research Record
Median Crossover Accident Analyses and the Effectiveness of Median BarriersWashington State Department of Transportation
Differences in male and female injury severities in sport-utility vehicle, minivan, pickup and passenger car accidentsAccident Analysis and Prevention
Introduction to urban simulation: Design and development of operational modelsHandbook of Transport Geography and Spatial Systems

2003

Dynamic simulation of real estate development and land prices within an integrated land use and transportation model systemThe 82nd Annual Meeting of the Transportation Research Board
Accident count model based on multiyear cross-sectional roadway data with serial correlationTransportation Research Record
Accessibility and agglomeration: Discrete-choice models of employment location by industry sectorThe 82nd Annual Meeting of the Transportation Research Board
Urban sprawl and the cost of public servicesEnvironment and Planning B-Planning & Design
Microsimulation of urban development and location choices: Design and implementation of UrbanSimNetworks and Spatial Economics
Modeling crashes involving pedestrians and motorized trafficSafety Science

2002

Fragmentation and sprawl: Evidence from interregional analysisGrowth and Change

2001

TravelAidWashington State Department of Transportation
Injury severity analysis for car, pickup, sport utility vehicle and minivan drivers: male and female differences

1999

A diagnostic study of the flateyri avalanche cyclone, 24-26 October 1995, using potential vorticity inversionMonthly Weather Review
Potential vorticity-based interpretation of the evolution of “The Greenhouse Low”, 2–3 February 1991Tellus A: Dynamic Meteorology and Oceanography

1997

Modeling highway free-flow mean speed and deviation in a simulator study
Potential vorticity-based interpretation of the evolution of the Greenhouse Low, 3 February 1991HIRLAM

Keywords for Specialisation:

Transportation safety

Travel behaviour

Transportation engineering