The impact of intersection design on simulated driving performance of young and senior adults: Preliminary results

Orit Shechtman*, Sherrilene Classen, Burton Stephens, Ethan Davis, Roxanna Bendixen, Patricia Belchior, Milapt Sandhu, Dennis McCarthy, William Mann

*Corresponding author for this work

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

The Federal Highway Administration proposed guidelines for highway design to increase the safe-driving ability of older drivers; however, little empirical evidence exists to support these guidelines. This study investigated the effects of improved versus unimproved intersections, using a high-fidelity driving simulator. Kinematics measures and behavioral evaluations were obtained to determine whether driving performance during negotiation of improved intersections was safer for older (65-85 years) and younger (25-45) drivers. Five pairs of intersections were compared. Three of the 5 comparisons indicated significantly greater lateral control stability (as measured by maximum yaw rate) during turns at the improved intersections. This preliminary report is based on data from 19 subjects (5 young and 14 older adults). Despite the small sample size, the findings of this study suggest that some of the Federal Highway Administration guidelines for implementing safe road conditions are helpful in defining intersection characteristics that could lead to safer driving by both older and younger adults. These results may yield critical information for engineers, planners, policymakers, and others involved in the design of roadway systems to enhance safe driving.

Original languageEnglish (US)
Pages (from-to)27-35
Number of pages9
JournalTopics in Geriatric Rehabilitation
Volume22
Issue number1
DOIs
StatePublished - Jan 1 2006

Keywords

  • Driving kinematics
  • Driving simulation
  • Highway safety
  • Intersection design
  • Older and younger drivers
  • Roadway infrastructure

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation
  • Geriatrics and Gerontology

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