Heavy vehicle driver workload assessment. Task 7A, in-cab text message system and cellular phone use by heavy vehicle drivers on road

Tijerina, L.; Kiger, S.; Rockwell, T.; Tornow, C.

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Heavy vehicle driver workload assessment. Task 7A, in-cab text message system and cellular phone use by heavy vehicle drivers on road

1996-10-01
By Tijerina, L. ; Kiger, S. ; Rockwell, T. ; ...

[PDF-794.01 KB]

English

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Creators:

Tijerina, L. ; Kiger, S. ; Rockwell, T. ; Tornow, C.

Tijerina, L. ; Kiger, S. ; Rockwell, T. ; Tornow, C. Less -
Corporate Contributors:

Battelle Memorial Institute ; United States. Department of Transportation. National Highway Traffic Safety Administration

Battelle Memorial Institute ; United States. Department of Transportation. National Highway Traffic Safety Administration Less -
Subject/TRT Terms:

[+]

Advanced Driver Information Systems Cellular Telephones Cognition CRT Text Messages Distraction Driver Workloads Heavy Duty Vehicles Human Factors Engineering Information Display Systems Technology Assessment Text Message Displays Visual Allocation Workload
Publication/ Report Number:

DOT HS 808 467
Resource Type:

Research Paper
Edition:

Final Report; July 1991-September 1995
Contracting Officer:

Goodman, Michael J.
Corporate Publisher:

United States. Joint Program Office for Intelligent Transportation Systems
Abstract:

This report covers the seventh in a series of tasks involving the assessment of driver workload in heavy vehicle operation associated with in-cab devices or systems. This report addresses the application of a workload assessment protocol and measurement system to empirically assess the degree to which a text message and cellular phone system impose workload on heavy vehicle drivers. Sixteen professional drivers performed over-the-road driving under various conditions of lighting (dark vs. light), road type (divided vs. undivided), and traffic density (high vs. low). Drivers were asked to read a variety of CRT text messages, to perform several manual tasks, and to respond to several questions imposing cognitive demand. Results revealed that CRT text message impacts visual allocation and lanekeeping and that steering measures were also sensitive to the workload imposed by the CRT messages. Seven- and 10-digit dialing were the manual tasks associated with the highest demand for visual attention, but these tasks did not affect lanekeeping or speed measures. Cellular phone dialogues (cognitive tasks) impacted mirror sampling relative to open road driving. Recommendations for the implementation of the CRT text message system and the cellular phone system in-cab are discussed.
Format:

PDF
Funding:

DTNH22-91-C-O7003
Collection(s):

ITSJPO Digital Library
Main Document Checksum:

[+]

urn:sha256:3aa59d0df6d2c30ca9bf9c3ebb73a18654a9f5c7769754c3b5f22cd69dcd5040
Download URL:

https://rosap.ntl.bts.gov/view/dot/4121/dot_4121_DS1.pdf
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Heavy vehicle driver workload assessment. Task 7A, in-cab text message system and cellular phone use by heavy vehicle drivers on road

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