Pedestrian and Bicyclist Accommodations and Crossings on Superstreets
This research considered the unique challenges for pedestrians and bicyclists at superstreet intersections and recommends crossing alternatives for both users.…
ITRE is engaged in applied research that provides guidance to decision-making at the local, state and national level through establishing sound research methods, test procedures, analyzing data and developing reports. Recent studies include ideal ways to accommodate non-motorized modes on superstreets; guidance on the placement of rumble strips to allow for the accommodation of bicyclists on steep downhill grades; and guidance on how to evaluate pedestrian crossing requests to consider the right treatment option for the right location. Contact us to learn more about our unique research capabilities.
Nonvisual Cues for Aligning to Cross Streets
Accurately aligning to the crosswalk is an important component of safe street crossing for pedestrians who are blind. Six alignment…
NCHRP 3-113b: An Assessment of Safety and Geometric Design Criteria for Diverging Diamond Interchanges
This study uses a simulation environment to study specific geometric components of the DDI and make recommendations for appropriate design.…
Mixed-Priority Pedestrian Delay Models at Single-Lane Roundabouts
This paper presents an approach to the development of mixed-priority pedestrian delay models at single-lane roundabouts by using behavioral crossing…
Mixed-Priority Pedestrian Delay Models at Single-Lane Roundabouts
This paper presents an approach to the development of mixed-priority pedestrian delay models at single-lane roundabouts by using behavioral crossing…
Exploratory Analysis of Crossing Difficulties for Blind and Sighted Pedestrians at Channelized Turn Lanes
This paper presents the findings from a paired comparison study of blind and sighted pedestrians judging crossing opportunities in traffic…
Event-Based Modeling of Driver Yielding Behavior to Pedestrians at Two-Lane Roundabout Approaches
Drivers are less likely to comply with the “Yield to Pedestrians” sign at roundabouts than at other types of controlled…
Evaluation of Safety, Design, and Operations of Shared-Use Paths
The purpose of this project is to develop level-of-service estimation methods for shared use paths that overcome current limitations. The…
Effect of Pedestrian Impedance on Vehicular Capacity at Multilane Roundabouts with Consideration of Crossing Treatments
Past research has documented that pedestrian crossings at modern roundabouts can result in an impedance effect on the available capacity…
Development and Implementation of a Conflict-based Assessment of Pedestrian Safety (CAPS) to Evaluate Accessibility of Complex Intersections
This paper develops and implements the Conflict-based Assessment of Pedestrian Safety (CAPS) methodology for evaluating pedestrian accessibility at complex intersections.…