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Institute for Transportation Research and Education

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ITRE Research Archives
At the core of ITRE’s mission is transportation research. Staff and graduate students conduct a variety of surface and air transportation studies that address today’s — and tomorrow’s — complex issues, many of which are best management practices.

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Current Research

Guide for Pedestrian and Bicycle Safety at Alternative Intersections and Interchanges

In recent years, drivers have become accustomed to left turn flashing yellow arrows (FYA) as an indication to yield to…

Reasonable Alternatives for Grade-Separated Intersections

North Carolina has adopted the use of flashing yellow arrows (FYA+Y11 in many intersections across the state as a means…

the Use of Right Turn Flashing Yellow Arrows and Leading Pedestrian Intervals

the project will culminate in an update of the FHWA Diverging Diamond Interchange Information Guide. the update will focus on…

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Institute for Transportation Research and Education

909 Capability Drive, Suite 3600
Research Building IV Raleigh, North Carolina 27606

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NC STATE UNIVERSITY

NORTH CAROLINA STATE UNIVERSITY RALEIGH, NC 27695 919.515.2011