Gudmundur F. Ulfarsson
Gudmundur F. Ulfarsson
Professor and Head, Faculty of Civil and Environmental Engineering, University of Iceland
Zweryfikowany adres z hi.is
Cytowane przez
Cytowane przez
Bicyclist injury severities in bicycle–motor vehicle accidents
JK Kim, S Kim, GF Ulfarsson, LA Porrello
Accident Analysis & Prevention 39 (2), 238-251, 2007
Urban sprawl and the cost of public services
JI Carruthers, GF Ulfarsson
Environment and Planning B: Planning and Design 30 (4), 503-522, 2003
Microsimulation of urban development and location choices: Design and implementation of UrbanSim
P Waddell, A Borning, M Noth, N Freier, M Becke, G Ulfarsson
Networks and spatial economics 3, 43-67, 2003
Differences in male and female injury severities in sport-utility vehicle, minivan, pickup and passenger car accidents
GF Ulfarsson, FL Mannering
Accident Analysis & Prevention 36 (2), 135-147, 2004
Driver-injury severity in single-vehicle crashes in California: a mixed logit analysis of heterogeneity due to age and gender
JK Kim, GF Ulfarsson, S Kim, VN Shankar
Accident Analysis & Prevention 50, 1073-1081, 2013
Age and pedestrian injury severity in motor-vehicle crashes: A heteroskedastic logit analysis
JK Kim, GF Ulfarsson, VN Shankar, S Kim
Accident Analysis & Prevention 40 (5), 1695-1702, 2008
A note on modeling pedestrian-injury severity in motor-vehicle crashes with the mixed logit model
JK Kim, GF Ulfarsson, VN Shankar, FL Mannering
Accident Analysis & Prevention 42 (6), 1751-1758, 2010
Fragmentation and sprawl: Evidence from interregional analysis
JI Carruthers, GF Ulfarsson
Growth and change 33 (3), 312-340, 2002
Incorporating land use in metropolitan transportation planning
P Waddell, GF Ulfarsson, JP Franklin, J Lobb
Transportation Research Part A: Policy and Practice 41 (5), 382-410, 2007
Travel mode choice of the elderly: effects of personal, household, neighborhood, and trip characteristics
S Kim, GF Ulfarsson
Transportation Research Record 1894 (1), 117-126, 2004
Analysis of light rail rider travel behavior: Impacts of individual, built environment, and crime characteristics on transit access
S Kim, GF Ulfarsson, JT Hennessy
Transportation Research Part A: Policy and Practice 41 (6), 511-522, 2007
The crash severity impacts of fixed roadside objects
JM Holdridge, VN Shankar, GF Ulfarsson
Journal of Safety Research 36 (2), 139-147, 2005
Introduction to urban simulation: Design and development of operational models
P Waddell, GF Ulfarsson
Handbook in Transport 5, 2004
Modeling crashes involving pedestrians and motorized traffic
VN Shankar, GF Ulfarsson, RM Pendyala, MLB Nebergall
Safety Science 41 (7), 627-640, 2003
Random parameter models of interstate crash frequencies by severity, number of vehicles involved, collision and location type
N Venkataraman, GF Ulfarsson, VN Shankar
Accident Analysis & Prevention 59, 309-318, 2013
Does smart growth matter to public finance?
JI Carruthers, GF Ulfarsson
Urban Studies 45 (9), 1791-1823, 2008
Modeling the relationship between interstate crash occurrence and geometrics: Exploratory insights from a random parameters negative binomial approach
NS Venkataraman, GF Ulfarsson, V Shankar, J Oh, M Park
Transportation Research Record: Journal of the Transportation Research Board …, 2011
Analyzing fault in pedestrian–motor vehicle crashes in North Carolina
GF Ulfarsson, S Kim, KM Booth
Accident Analysis & Prevention 42 (6), 1805-1813, 2010
Spatial regression analysis of traffic crashes in Seoul
KA Rhee, JK Kim, Y Lee, GF Ulfarsson
Accident Analysis & Prevention 91, 190-199, 2016
A heterogeneity-in-means count model for evaluating the effects of interchange type on heterogeneous influences of interstate geometrics on crash frequencies
N Venkataraman, V Shankar, GF Ulfarsson, D Deptuch
Analytic methods in accident research 2, 12-20, 2014
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