Highway Capacity Manual (HCM) Methodology for Alternative Intersections / Interchanges
Over the past decade, the Federal Highway Administration (FHWA) has conducted and developed extensive research, workshops, tech briefs, and other…
Guidance for Traffic Signals at Diverging Diamond Interchanges and Adjacent Intersections
ITRE Highway Systems researchers are improving the national transportation guidance for practitioners who work with traffic signals at diverging diamond…
Guidance for Alternative Intersections
State and local department of transportation are searching for guidance and direction on how to move forward with the analysis…
Framework for Context-Sensitive Spatially and Temporally-Resolved On-Road Mobile Source Emission Inventories
NARSTO has identified that emissions from on-road vehicles are among the highest priority needs for improving emission inventories (EIs). The…
Field Evaluation of Double Crossover Diamond Interchanges
Unconventional interchange design solutions provide options that agencies explore to overcome pitfalls associated with conventional solutions for congested diamond interchanges.…
Field Evaluation of Diverging Diamond Interchanges
This Tech Brief provides results from an evaluation of the safety effects of converting a standard diamond interchange to a…
Exploring Corridor Operations in the Vicinity of a Diverging Diamond Interchange
The objectives of this research are to provide NCDOT and other agencies in North Carolina with objective, scientific guidance on…
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…
Expanding the Use of Photographic Enforcement to Enhance Traffic Safety in North Carolina
This research effort expanded on a previous research effort funded by the North Carolina Governor’s Highway Safety Program. The original…
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…