Guidelines for Left Turn Signal Phasing Options by Time of Day: A Safety and Operational Study
the primary goal for this research effort is to update the FHWA Divering Diamond Interchange Information Guide to provide detail…
An Assessment of Safety and Geometric Design Criteria for Diverging Diamond Interchanges
Work Zone Traffic Analysis & Impact Assessment
This report documents the final results and project summary of North Carolina Department of Transportation (NCDOT) research project 2012-36: Work…
Working Concept of Accessibility – Performance Measures for Usability of Crosswalks by Pedestrians with Vision Impairments
This research presents an analysis framework and associated performance measures for quantifying the accessibility of pedestrian crossings at modern roundabouts…
Traffic Operational Impacts of Contemporary Multi-Pump Island Fueling Centers
Many contemporary fueling centers are much larger and offer more services than traditional gas stations. For these fueling stations, the…
Traffic Operational Impacts of Contemporary Multi-Pump Island Fueling Centers
NCDOT has relied on trip estimates based on the ITE Trip Generation Handbook for years; however, the number of fueling…
Structural and Safety Investigation of Statewide Performance of Weathered Steel Beam Guardrail in North Carolina
This paper evaluates the structural integrity and safety performance of weathered steel beam guardrail (WSBG) in North Carolina. WSBG is…
Simulator Study of Driver Responses to Pedestrian Treatments at Multilane Roundabouts
Previous studies have shown that roundabouts, especially multilane roundabouts, pose accessibility challenges to pedestrians with vision impairments, in part because…
Performance of Weathered Steel Guardrail in NC
Weathered steel beam guardrail is a popular alternative to galvanized steel guardrail as an aesthetic solution that blends in with…
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.…