Continuous development of urban infrastructure with a focus on sustainable transportation
has led to a proliferation of vulnerable road users (VRUs), such as bicyclists and …

When pedestrian, bike crossings, or both are concurrent with a vehicular phase, leading
through intervals (LTI) and leading pedestrian intervals (LPI) are signalization techniques …

Transportation modes converge at intersections resulting in conflicts between bicyclists and
motor vehicles. A common conflict and crash type involving bicycles at intersections is the …

Conflicts between the right-turn vehicles and crossing pedestrians at signalized
intersections not only endanger pedestrians, but also impede the ability of vehicles to …

Bicycle accommodations are an increasingly important component of the transportation
system, and research has provided growing evidence that cities with higher bicycling (and …

Urban form, demographic features, and other socio-economic elements correlate with
transportation system design and usage. Transportation system design is preferred to …

This study assessed the safety impact and performance of three different bicycle-specific
intersection treatments (bike boxes, mixing zones, and bicycle signals) using surrogate …

This dissertation discusses traffic signal design in terms of safety and efficiency for three
groups of intersection users: pedestrians, cyclists, and transit-riders. Four important …

Separated bicycle lanes (SBLs) are bicycle facilities that employ both paint and a vertical
element as a buffer between vehicle traffic and bicycle traffic. In recent years, the installation …

Walking and bicycling are foundational transportation modes, whether serving as the
primary or preferred means of movement for work and non-work trips alike, for moving …