Effects of mobile phone distraction on pedestrians' crossing behavior and visual attention allocation at a signalized intersection: An outdoor experimental study

K Jiang, F Ling, Z Feng, C Ma, W Kumfer… - Accident Analysis & …, 2018 - Elsevier
With the rapid growth in mobile phone use worldwide, traffic safety experts have begun to
consider the impact of mobile phone distractions on pedestrian crossing safety. This study …

Systems thinking in the context of road safety: Can systems tools help us realize a true “safe systems” approach?

RB Naumann, L Sandt, W Kumfer… - Current epidemiology …, 2020 - Springer
Abstract Purpose of Review Road traffic injuries are one of the leading causes of death in
the USA and globally. We introduce the Safe Systems approach as a promising paradigm for …

Driving anger in China: A case study on professional drivers

Z Feng, Y Lei, H Liu, WJ Kumfer, W Zhang… - … research part F: traffic …, 2016 - Elsevier
This paper investigated the types of situations that caused drivers to become angry when
driving in China by examining the characteristics of a sample of professional drivers. The …

[HTML][HTML] A life-cycle optimization model using semi-markov process for highway bridge maintenance

D Wu, C Yuan, W Kumfer, H Liu - Applied Mathematical Modelling, 2017 - Elsevier
Due to a variety of risks related to aging, construction, material degradation, harsh
environment, increasing traffic, and insufficient capacity, a large percentage of bridges in the …

Measuring pedestrian level of stress in urban environments: Naturalistic walking pilot study

S LaJeunesse, P Ryus, W Kumfer… - Transportation …, 2021 - journals.sagepub.com
Walking is the most basic and sustainable mode of transportation, and many jurisdictions
would like to see increased walking rates as a way of reducing congestion and emission …

Investigation into the role of rational ethics in crashes of automated vehicles

W Kumfer, R Burgess - Transportation research record, 2015 - journals.sagepub.com
Traffic engineers, vehicle manufacturers, technology groups, and government agencies are
anticipating and preparing for the emergence of fully automated vehicles into the American …

Development of a supplementary driver education tool for teenage drivers on rural roads

W Kumfer, H Liu, D Wu, D Wei, S Sama - Safety science, 2017 - Elsevier
Introduction: Teenagers are at greater risk than any other drivers on the highway system in
the United States, especially in states like Texas with large rural road networks. Rural roads …

[HTML][HTML] Investigation of the contributory factors to the guessability of traffic signs

J Liu, H Wen, D Zhu, W Kumfer - International journal of environmental …, 2019 - mdpi.com
Traffic signs play an important role in traffic management systems. A variety of studies have
focused on drivers' comprehension of traffic signs. However, the travel safety of prospective …

Midblock pedestrian crash predictions in a systemic, risk-based pedestrian safety process

W Kumfer, L Thomas, L Sandt… - Transportation research …, 2019 - journals.sagepub.com
Although pedestrian fatalities and injuries in the United States decreased for decades at a
rate similar to vehicule occupant fatalities, recent years have seen substantial increases in …

[BOOK][B] Systemic pedestrian safety analysis

L Thomas, L Sandt, C Zegeer, W Kumfer, K Lang… - 2018 - trid.trb.org
This report provides a safety analysis method that can be used to proactively identify sites for
potential safety improvements based on specific risk factors for pedestrians. A systemic …