Ulfarsson, Gudmundur: search on Z-Library

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1

Traffic safety in an aging society: Analysis of older pedestrian crashes

Kim, Sungyop, Ulfarsson, Gudmundur F.

Journal:

Journal of Transportation Safety & Security

Year:

2018

Language:

english

File:

PDF, 624 KB

english, 2018

2

Spatial regression analysis of traffic crashes in Seoul

Rhee, Kyoung-Ah, Kim, Joon-Ki, Lee, Young-ihn, Ulfarsson, Gudmundur F.

Journal:

Accident Analysis & Prevention

Year:

2016

Language:

english

File:

PDF, 1.07 MB

english, 2016

3

Identification of development areas in a warming Arctic with respect to natural resources, transportation, protected areas, and geography

Eliasson, Kjartan, Ulfarsson, Gudmundur F., Valsson, Trausti, Gardarsson, Sigurdur M.

Journal:

Year:

2017

Language:

english

File:

PDF, 5.36 MB

english, 2017

4

Bicyclist injury severities in bicycle–motor vehicle accidents

Joon-Ki Kim, Sungyop Kim, Gudmundur F. Ulfarsson, Luis A. Porrello

Journal:

Accident Analysis & Prevention

Year:

2007

Language:

english

File:

PDF, 381 KB

english, 2007

5

Fragmentation and Sprawl: Evidence from Interregional Analysis

John I. Carruthers, Gudmundur F. Ulfarsson

Journal:

Growth and Change

Year:

2002

Language:

english

File:

PDF, 5.16 MB

english, 2002

6

Travel Mode Choice of the Elderly: Effects of Personal, Household, Neighborhood, and Trip Characteristics

Kim, Sungyop, Ulfarsson, Gudmundur

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2004

Language:

english

File:

PDF, 212 KB

english, 2004

7

Megapatterns of global settlement: Typology and drivers in a warming world

Trausti Valsson, Gudmundur F. Ulfarsson

Journal:

Year:

2012

Language:

english

File:

PDF, 1.17 MB

english, 2012

8

Future changes in activity structures of the globe under a receding Arctic ice scenario

Trausti Valsson, Gudmundur F. Ulfarsson

Journal:

Year:

2011

Language:

english

File:

PDF, 928 KB

english, 2011

9

Analysis of light rail rider travel behavior: Impacts of individual, built environment, and crime characteristics on transit access

Sungyop Kim, Gudmundur F. Ulfarsson, J. Todd Hennessy

Journal:

Transportation Research Part A: Policy and Practice

Year:

2007

Language:

english

File:

PDF, 622 KB

english, 2007

10

A theory of the evolution of settlement structures based on identification and use of patterns: Iceland as a case study

Valsson, Trausti, Ulfarsson, Gudmundur F., Gardarsson, Sigurdur M.

Journal:

Year:

2013

Language:

english

File:

PDF, 1.36 MB

english, 2013

11

Differences in male and female injury severities in sport-utility vehicle, minivan, pickup and passenger car accidents

Gudmundur F. Ulfarsson, Fred L. Mannering

Journal:

Accident Analysis & Prevention

Year:

2004

Language:

english

File:

PDF, 123 KB

english, 2004

12

Analyzing fault in pedestrian–motor vehicle crashes in North Carolina

Gudmundur F. Ulfarsson, Sungyop Kim, Kathleen M. Booth

Journal:

Accident Analysis & Prevention

Year:

2010

Language:

english

File:

PDF, 169 KB

english, 2010

13

Urban sprawl and the cost of public services

Carruthers, John I, Ulfarsson, Gudmundur F

Journal:

Environment and Planning B

Year:

2003

Language:

english

File:

PDF, 234 KB

english, 2003

14

Random parameter models of interstate crash frequencies by severity, number of vehicles involved, collision and location type

Venkataraman, Narayan, Ulfarsson, Gudmundur F., Shankar, Venky N.

Journal:

Accident Analysis & Prevention

Year:

2013

Language:

english

File:

PDF, 855 KB

english, 2013

15

The effect of wind energy production on cross-border electricity pricing: The case of western Denmark in the Nord Pool market

Unger, Elizabeth A., Ulfarsson, Gudmundur F., Gardarsson, Sigurdur M., Matthiasson, Thorolfur

Journal:

Economic Analysis and Policy

Year:

2018

Language:

english

File:

PDF, 323 KB

english, 2018

16

Incorporating land use in metropolitan transportation planning

Paul Waddell, Gudmundur F. Ulfarsson, Joel P. Franklin, John Lobb

Journal:

Transportation Research Part A: Policy and Practice

Year:

2007

Language:

english

File:

PDF, 2.19 MB

english, 2007

17

Modeling the Probability of Freeway Rear-End Crash Occurrence

Kim, Joon-Ki, Wang, Yinhai, Ulfarsson, Gudmundur F.

Journal:

Journal of Transportation Engineering

Year:

2007

Language:

english

File:

PDF, 106 KB

english, 2007

18

Is Access Management Good for Business? Business Perceptions of the Effects of Traffic Access Management on Accessibility and Patronage

Vu, Patrick, Shankar, Venky N., Ulfarsson, Gudmundur F.

Journal:

Transportation Planning and Technology

Year:

2006

Language:

english

File:

PDF, 152 KB

english, 2006

19

Accident Count Model Based on Multiyear Cross-Sectional Roadway Data with Serial Correlation

Ulfarsson, Gudmundur, Shankar, Venkataraman

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2003

Language:

english

File:

PDF, 169 KB

english, 2003

20

Activity Space of Older and Working-Age Adults in the Puget Sound Region, Washington

Kim, Sungyop, Ulfarsson, Gudmundur F.

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2015

Language:

english

File:

PDF, 519 KB

english, 2015

21

Adaptation and Change with Global Warming

Valsson, Trausti, Ulfarsson, Gudmundur

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2009

Language:

english

File:

PDF, 7.78 MB

english, 2009

22

Modeling crashes involving pedestrians and motorized traffic

Venkataraman N. Shankar, Gudmundur F. Ulfarsson, Ram M. Pendyala, MaryLou B. Nebergall

Journal:

Year:

2003

Language:

english

File:

PDF, 163 KB

english, 2003

23

Impacts and Responses of Icelandic Aviation to the 2010 Eyjafjallajökull Volcanic Eruption

Ulfarsson, Gudmundur, Unger, Elizabeth

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2011

Language:

english

File:

PDF, 2.82 MB

english, 2011

24

Factors Affecting Common Vehicle-to-Vehicle Collision Types: Road Safety Priorities in an Aging Society

Ulfarsson, Gudmundur, Kim, Sungyop, Lentz, Eric

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2006

Language:

english

File:

PDF, 310 KB

english, 2006

25

Driver-injury severity in single-vehicle crashes in California: A mixed logit analysis of heterogeneity due to age and gender

Kim, Joon-Ki, Ulfarsson, Gudmundur F., Kim, Sungyop, Shankar, Venkataraman N.

Journal:

Accident Analysis & Prevention

Year:

2013

Language:

english

File:

PDF, 302 KB

english, 2013

26

Relationship of Shopping Activity Duration and Travel Time with Planning-Level Network and Socioeconomic Factors

Rosen, David, Shankar, Venkataraman, Ulfarsson, Gudmundur

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2004

Language:

english

File:

PDF, 264 KB

english, 2004

27

A long-term analysis studying the effect of changes in the nordic electricity supply on Danish and Finnish electricity prices

Unger, Elizabeth A., Ulfarsson, Gudmundur F., Gardarsson, Sigurdur M., Matthiasson, Thorolfur

Journal:

Economic Analysis and Policy

Year:

2017

Language:

english

File:

PDF, 456 KB

english, 2017

28

Volcanic ash and aviation: Recommendations to improve preparedness for extreme events

Reichardt, Uta, Ulfarsson, Gudmundur F., Pétursdóttir, Guðrún

Journal:

Transportation Research Part A: Policy and Practice

Year:

2018

Language:

english

File:

PDF, 1.15 MB

english, 2018

29

Cooperation Between Science and Aviation-Sector Service Providers in Europe for Risk Management of Volcanic Ash

Reichardt, Uta, Ulfarsson, Gudmundur F., Petursdottir, Gudrun

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2017

Language:

english

File:

PDF, 594 KB

english, 2017

30

Factors Affecting Common Vehicle-to-Vehicle Collision Types

Ulfarsson, Gudmundur F., Kim, Sungyop, Lentz, Eric T.

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2006

Language:

english

File:

PDF, 283 KB

english, 2006

31

Potential vorticity-based interpretation of the evolution of“The Greenhouse Low”, 2–3 February 1991

BY JÓN EGILL KRISTJÁNSSON, SIGURDUR THORSTEINSSON, GUDMUNDUR FREYR ULFARSSON

Journal:

Year:

1999

Language:

english

File:

PDF, 743 KB

english, 1999

32

Age and pedestrian injury severity in motor-vehicle crashes: A heteroskedastic logit analysis

Joon-Ki Kim, Gudmundur F. Ulfarsson, Venkataraman N. Shankar, Sungyop Kim

Journal:

Accident Analysis & Prevention

Year:

2008

Language:

english

File:

PDF, 679 KB

english, 2008

33

The crash severity impacts of fixed roadside objects

Jason M. Holdridge, Venky N. Shankar, Gudmundur F. Ulfarsson

Journal:

Journal of Safety Research

Year:

2005

Language:

english

File:

PDF, 140 KB

english, 2005

34

A hierarchical Bayesian logistic regression with a finite mixture for identifying higher-than-expected crash proportions at intersections

Richard, Karen R., Kim, Sungyop, Ulfarsson, Gudmundur F.

Journal:

Journal of Transportation Safety & Security

Year:

2017

Language:

english

File:

PDF, 771 KB

english, 2017

35

Model of Relationship Between Interstate Crash Occurrence and Geometrics

Venkataraman, Narayan, Ulfarsson, Gudmundur, Shankar, Venky, Oh, Junseok, Park, Minho

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2011

Language:

english

File:

PDF, 459 KB

english, 2011

36

A note on modeling pedestrian-injury severity in motor-vehicle crashes with the mixed logit model

Joon-Ki Kim, Gudmundur F. Ulfarsson, Venkataraman N. Shankar, Fred L. Mannering

Journal:

Accident Analysis & Prevention

Year:

2010

Language:

english

File:

PDF, 220 KB

english, 2010

37

The effect of variable message and speed limit signs on mean speeds and speed deviations

Ulfarsson, Gudmundur F., Shankar, Venkataraman N., Vu, Patrick

Journal:

International Journal of Vehicle Information and Communication Systems

Year:

2005

Language:

english

File:

PDF, 212 KB

english, 2005

38

Developing scenarios to explore impacts and weaknesses in aviation response exercises for volcanic ash eruptions in Europe

Reichardt, Uta, Ulfarsson, Gudmundur F., Pétursdóttir, Guðrún

Journal:

Journal of Air Transport Management

Year:

2019

Language:

english

File:

PDF, 2.57 MB

english, 2019

39

A value-based definition of success in adaptive port planning: a case study of the Port of Isafjordur in Iceland

Eskafi, Majid, Fazeli, Reza, Dastgheib, Ali, Taneja, Poonam, Ulfarsson, Gudmundur F., Thorarinsdottir, Ragnheidur I., Stefansson, Gunnar

Journal:

Maritime Economics & Logistics

Year:

2019

Language:

english

File:

PDF, 1.33 MB

english, 2019

40

Family reports of medically impaired drivers in Missouri: Cognitive concerns and licensing outcomes

Meuser, Thomas M., Carr, David B., Unger, Elizabeth A., Ulfarsson, Gudmundur F.

Journal:

Accident Analysis & Prevention

Year:

2015

Language:

english

File:

PDF, 369 KB

english, 2015

41

Children’s travel to school: discrete choice modeling of correlated motorized and nonmotorized transportation modes using covariance heterogeneity

Ulfarsson, Gudmundur F, Shankar, Venkataraman N

Journal:

Environment and Planning B

Year:

2008

Language:

english

File:

PDF, 169 KB

english, 2008

42

Curbing automobile use for sustainable transportation: analysis of mode choice on short home-based trips

Sungyop Kim, Gudmundur F. Ulfarsson

Journal:

Year:

2008

Language:

english

File:

PDF, 309 KB

english, 2008

43

Transportation in an Aging Society

Kim, Sungyop, Ulfarsson, Gudmundur

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2013

Language:

english

File:

PDF, 480 KB

english, 2013

44

Motor-vehicle crash history and licensing outcomes for older drivers reported as medically impaired in Missouri

Thomas M. Meuser, David B. Carr, Gudmundur F. Ulfarsson

Journal:

Accident Analysis & Prevention

Year:

2009

Language:

english

File:

PDF, 406 KB

english, 2009

45

The Cycle of Fragmentation and Sprawl: A Conceptual Framework and Empirical Model

Ulfarsson, Gudmundur F, Carruthers, John I

Journal:

Environment and Planning B

Year:

2006

Language:

english

File:

PDF, 695 KB

english, 2006

46

The American Medical Association Older Driver Curriculum for Health Professionals: Changes in Trainee Confidence, Attitudes, and Practice Behavior

Meuser, Thomas M., Carr, David B., Irmiter, Cheryl, Schwartzberg, Joanne G., Ulfarsson, Gudmundur F.

Journal:

Gerontology & Geriatrics Education

Year:

2010

Language:

english

File:

PDF, 224 KB

english, 2010

47

Traffic Sign Comprehensibility in an Aging Society

Kim, Sungyop, Ulfarsson, Gudmundur, Anton, Karen

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2009

Language:

english

File:

PDF, 642 KB

english, 2009

48

Modeling Micro-Spatial Employment Location Patterns: A Comparison of Count and Choice Approaches

Hyungtai Kim, Paul Waddell, Venkataraman N. Shankar, Gudmundur F. Ulfarsson

Journal:

Geographical Analysis

Year:

2008

Language:

english

File:

PDF, 4.28 MB

english, 2008

49

Traffic Crash History of Cognitively Impaired Drivers in Missouri

SveinbjÃ¶rnsdÃ³ttir, GuÃ°rÃºn Edda, Ulfarsson, Gudmundur F., Meuser, Thomas M., Carr, David B.

Journal:

Transportation Research Record Journal of the Transportation Research Board

Year:

2016

File:

PDF, 544 KB

2016

50

Studies on the Pelger Anomaly in Iceland

ölafur Jensson, Kjartan Árnason, Gudmundur M. Jóhannesson, Jakob Úlfarsson

Journal:

Journal of Internal Medicine

Year:

1977

Language:

english

File:

PDF, 206 KB

english, 1977

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