Older Driver Support System Field Operational Test

Libby, David; Morris, Nichole L.; Craig, Curtis M.; University of Minnesota. Department of Mechanical Engineering. HumanFIRST Program

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Older Driver Support System Field Operational Test

2019-05-01
By Libby, David ; Morris, Nichole L. ; Craig, Curtis M.

[PDF-3.21 MB]

English

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Details:

Creators:

Libby, David ; Morris, Nichole L. ; Craig, Curtis M.

Libby, David ; Morris, Nichole L. ; Craig, Curtis M. Less -
Corporate Creators:

University of Minnesota. Department of Mechanical Engineering. HumanFIRST Program
Corporate Contributors:

Roadway Safety Institute ; University of Minnesota. Center for Transportation Studies

Roadway Safety Institute ; University of Minnesota. Center for Transportation Studies Less -
Subject/TRT Terms:

[+]

Aged Drivers Aging (Biology) Driver Performance Driver Support Systems Field Tests Focus Groups Highway Safety Human Factors In Crashes Mobile Applications Smartphones Speeding Stop Signs Traffic Crashes Traffic Violations Trust (psychology)
Publication/ Report Number:

CTS 19-13
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Corporate Publisher:

Roadway Safety Institute
Abstract:

Older drivers represent the highest injury and fatality rate per 100 million miles driven. The disproportionate fatality risk is linked to several known factors, ranging from failure to yield to cognitive and visual limitations to seatbelt use abstention to fragility. Through a series of focus groups, usability tests, and a controlled field test, a universally designed smartphone app (called RoadCoach) designed to reduce risky driving behaviors, such as speeding and hard braking, was previously found to have high usability among older drivers. The current research consisted of a field operational test of the app, which examined the baseline driving behavior (3 weeks) of 28 older drivers in Minnesota and Kansas, their driving behavior with RoadCoach feedback (6 weeks), and their driving behavior during a follow-up, no-feedback period (3 weeks). The results demonstrated marginal reductions in speeding behaviors while the app was functioning, but speed behaviors significantly increased after the feedback was discontinued compared to when it was active. Hard braking and stop sign violations were significantly reduced during feedback and post feedback. Finally, satisfaction and trust were high among users, with drivers reporting that the app helped improve their attention and focus on the task of driving.
Format:

PDF
Funding:

DTRT13-G-UTC35
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e175297fe68c7cd6f4fe8fbc9d10a9b08f3a41325a50c53006569d3bd86e74b1
Download URL:

https://rosap.ntl.bts.gov/view/dot/42705/dot_42705_DS1.pdf
File Type:

No Additional Files

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Older Driver Support System Field Operational Test

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