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Forsíða

Guðmundur Freyr Úlfarsson - Professor

Guðmundur Freyr Úlfarsson

–

School of Engineering and Natural Sciences

Guðmundur Freyr Úlfarsson

Professor

Transportation Engineering

Location
VR-2 / V02-337
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

2023

Stakeholder inclusive port development planning for an uncertain future

2022

Cruising Under and Post the COVID PandemicJournal of Marine Science and Engineering

2021

Staying home or going placesJournal of Transport and Health
Mutual information analysis of the factors inﬂuencing port throughputMaritime Business Review
Framework for Dealing with Uncertainty in the Port Planning ProcessJournal of Waterway, Port, Coastal and Ocean Engineering
Impacts of transportation and industrial complexes on establishment-level productivity growth in KoreaTransport Policy
A model for port throughput forecasting using Bayesian estimationMaritime Economics and Logistics
Cargo ﬂow analysis by mutual information analysis
Eyjafjallajökull eruption in 2010

2020

A value-based definition of success in adaptive port planningMaritime Economics and Logistics
Flexibility in port logistics by adaptive port planning, a case study of the Ports of Isafjordur Network in Iceland
Mutual information analysis of the factors influencing port throughputMaritime Business Review
Mutual information analysis of the factors influencing port throughputMaritime Business Review
Mutual information analysis of the factors influencing port throughputMaritime Business Review

2019

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
Developing scenarios to explore impacts and weaknesses in aviation response exercises for volcanic ash eruptions in EuropeJournal of Air Transport Management
Ageing and transportation
A hierarchical Bayesian logistic regression with a finite mixture for identifying higher-than-expected crash proportions at intersectionsJournal of Transportation Safety and Security
Traffic safety in an aging societyJournal of Transportation Safety and Security
Increasing resilience through interaction: Stakeholder workshop on aviation and volcanic ashJournal of Integrated Disaster Risk Management

2018

Developing scenarios to explore impacts and weaknesses in aviation response exercises for volcanic ash eruptions
Volcanic ash and aviationTransportation Research Part A: Policy and Practice
Daylight, twilight, and night variation in road environment-related freeway traffic crashes in Korea
Bicyclist injuries leading to emergency room visits
Samanburður á styrk grindarbotnsvöðva hjá keppnisíþróttakonum og óþjálfuðum konumLæknablaðið
The effect of wind energy production on cross-border electricity pricingEconomic Analysis and Policy
Transportation infrastructure investment and the location of new manufacturing around South Korea's West Coast ExpresswayTransport Policy

2017

Cooperation between science and aviation sector service providers in Europe for the risk management of volcanic ash
A long-term analysis studying the effect of changes in the Nordic electricity supply on Danish and Finnish electricity pricesEconomic Analysis and Policy
Cooperation between science and aviation-sector service providers in europe for risk management of volcanic ashTransportation Research Record
Identification of development areas in a warming Arctic with respect to natural resources, transportation, protected areas, and geographyFutures
Policy recommendations for enhanced resilience of aviation due to extreme volcanic ash eruptions

2016

Air industry response to volcanic eruptions
Traffic Crash History of Cognitively Impaired Drivers in MissouriTransportation Research Record
Trip making of older adults in Seoul
Traffic crash analysis and prevention
Traffic crash history of cognitively impaired drivers in Missouri
Spatial regression analysis of traffic crashes in SeoulAccident Analysis and Prevention
Trip making of older adults in SeoulJournal of Transport Geography

2015

Traffic crash analysis and prevention
Effect of Driving Behavior and Vehicle Characteristics on Energy Consumption of Road Vehicles Running on Alternative Energy SourcesInternational Journal of Sustainable Transportation
Activity space of older and working-age adults in the Puget Sound region, WashingtonTransportation Research Record
Activity space of older and working-age adults in the Puget Sound region, Washington, U.S.A.
Analysis of the transportation disadvantaged in an aging society
Urban household travel behavior in a time of economic crisisJournal of Transport Geography

2014

The effect of road environment factors on freeway traffic crash frequency during daylight, twilight, and night conditions
Transportation deficiencies for older adults in Seoul, South KoreaTransportation Research Record
Transportation investment and economic development
Transportation deficiencies for older adults in Seoul, South Korea
Family reports of medically impaired drivers in MissouriAccident Analysis and Prevention
Transportation deficiency of older adults in Seoul
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
Extending the Highway Safety Manual (HSM) framework for traffic safety performance evaluationSafety Science

2013

Characteristics of drivers with dementia referred for a fitness to drive evaluation in Missouri
Transportation in an aging society: The linkage between transportation and quality of life
Analysis of factors affecting freeway traffic crash frequency under different light conditions with random parameter count models
Some insights into roadway geometric effects on interstate crash occurrence from a crash typology perspective
A theory of the evolution of settlement structures based on identification and use of patternsFutures
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 CaliforniaAccident Analysis and Prevention
Transportation in an aging societyTransportation Research Record
Modeling the effects of interchange configuration on heterogeneous influences of interstate geometrics on crash frequencies

2012

Commitment to light rail transit patronageJournal of Urban Planning and Development
Megapatterns of global settlementFutures

2011

Model of relationship between interstate crash occurrence and geometricsTransportation Research Record
Impacts and responses of icelandic aviation to the 2010 Eyjafjallajökull volcanic eruptionTransportation Research Record
Modeling the relationship between interstate crash occurrence and geometrics
Future changes in activity structures of the globe under a receding Arctic ice scenarioFutures
Impacts and responses of icelandic aviation to the 2010 Eyjafjallajökull volcanic eruptionTransportation Research Record
A case study of Icelandic aviation impacts and responses due to the 2010 Eyjafjallajökull volcanic eruption
A case study of Icelandic aviation impacts and responses due to the 2010 Eyjafjallajökull volcanic eruptionTransportation Research Record: Journal of the Transportation Research Board
A mixed logit model approach to investigate effects of age on driver-injury severity in single-vehicle accidents.

2010

Factors Influencing the Assignment of Fault in Pedestrian-Motor Vehicle Crashes in North Carolina
The American medical association older driver curriculum for health professionalsGerontology and Geriatrics Education
A note on modeling pedestrian-injury severity in motor-vehicle crashes with the mixed logit modelAccident Analysis and Prevention
Analyzing fault in pedestrian-motor vehicle crashes in North CarolinaAccident Analysis and Prevention

2009

Curbing automobile use on short trips for sustainable transportation
Traffic sign comprehensibility in an aging society
Unobserved heterogeneity and heteroskedasticity due to age when modeling pedestrian injury severity in motor vehicle crashes
Adaptation and change with global warmingTransportation Research Record
Traffic sign comprehensibility in an aging societyTransportation Research Record
Motor-vehicle crash history and licensing outcomes for older drivers reported as medically impaired in MissouriAccident Analysis and Prevention
Adaptation and change with global warming
Safety and licensing outcomes for older drivers reported as medically impaired

2008

When the oldest-old are reported as unfit drivers: Medical status, mortality, & on-road performanceGerontologist
Riding the Light Rails: Analysis of User Satisfaction and Personal
Curbing automobile use for sustainable transportationTransportation
Does 'smart growth' matter to public finance?Urban Studies
Children's travel to schoolEnvironment and Planning B: Planning and Design
Age and pedestrian injury severity in motor-vehicle crashesAccident Analysis and Prevention
Modeling micro-spatial employment location patternsGeographical Analysis
Medical fitness to drive and a voluntary state reporting law
Evaluation of experimental traffic sign: Signal photo-enforced

2007

A numerical examination of freeway rear-end accidents considering the mechanism of accident occurrenceJournal of Transportation Engineering
Incorporating land use in metropolitan transportation planningTransportation Research Part A: Policy and Practice
Analysis of light rail rider travel behaviorTransportation Research Part A: Policy and Practice
Bicyclist injury severities in bicycle-motor vehicle accidentsAccident Analysis and Prevention
Modeling the probability of freeway rear-end crash occurrenceJournal of Transportation Engineering

2006

A numerical examination of freeway rear-end accidents considering the mechanism of accident occurrence
Factors Affecting Common Vehicle-to-Vehicle Collision Types:
The cycle of fragmentation and sprawlEnvironment and Planning B: Planning and Design
Factors affecting common vehicle-to-vehicle collision typesTransportation Research Record
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

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:
The relationship of shopping activity duration and travel time with planning-level network and socio-economic factorsTransportation Research Record: Journal of the Transportation Research Board
Differences in male and female injury severities in sport-utility vehicle, minivan, pickup and passenger car accidentsAccident Analysis and Prevention
Relationship of shopping activity duration and travel time with planning-level network and socioeconomic factorsTransportation Research Record
The relationship of shopping activity duration and travel time with planning-level network and socio-economic factors.
Introduction to Urban Simulation
Median Crossover Accident Analyses and the Effectiveness of Median Barriers
Travel mode choice of the elderlyTransportation Research Record
Statistical analysis of differences in male and female injury severities in sport-utility vehicle, minivan, pickup and passenger car accidentsAccident Analysis and Prevention

2003

Urban sprawl and the cost of public servicesEnvironment and Planning B: Planning and Design
Microsimulation of urban development and location choicesNetworks and Spatial Economics
Accident Count Model Based on Multiyear Cross-Sectional Roadway Data with Serial CorrelationTransportation Research Record
Modeling crashes involving pedestrians and motorized trafficSafety Science
Accessibility and agglomeration
An accident count model based on multi-year cross-sectional roadway data with serial correlation
Dynamic simulation of real estate development and land prices within an integrated land use and transportation model system

2002

The effect of variable message signs on the relationship between mean speeds and speed deviations
Fragmentation and sprawlGrowth and Change

2001

Injury severity analysis for car, pickup, sport utility vehicle and minivan drivers: male and female differences
TravelAid

1999

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

1997

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

1994

Könnun á illviðrislægð við Ísland með tölulegum reikningum

Keywords for Specialisation:

Transportation safety

Travel behaviour

Transportation engineering