ITRE provides applied research services to clients focusing on operations, planning, engineering, and program development to answer questions that aid in practical decision-making at the state and national level. By and tailoring research objectives and experimental design to stakeholder needs to work within project scope and budget ITRE staff enjoy flexing their analytical skills and out-of-the-box thinking. Recent projects that the Bicycle and Pedestrian Program have been involved include:

  • Evaluation of shoulder rumble strips on bicyclist comfort and speed
  • Bicyclist and pedestrian access and operations at superstreets, diverging diamond interchanges, roundabouts, and other alternative intersections
  • Pedestrian crossing needs assessment
  • Operations and geometrics research related to pedestrians with vision disabilities
  • Pedestrian delay modeling
  • Changeable message signs in school zones
  • Driver yielding behavior at crosswalks
  • User perceptions studies
  • Economic impact of bicycle facilities


Project Archives and Resources

Report: North Carolina Pedestrian Crossing Guidance

Paper: Public Perception of Double Crossover Diamond Interchanges

Rumble Strip Gaps for High Speed Bicycles

Paper | Report | Video

Pedestrian and Bicycle Accommodations and Crossings on Superstreets

Paper | Report

Paper: Use of “Your Speed” Changeable Message Signs in School Zones: Experience from North Carolina Safe Routes to School Program

Economic Impact of Investments in Bicycle Facilities: Case Study of North Carolina’s Northern Outer Banks

Paper | Report | Brochure