Changes in driver behaviour as a function of handsfree mobile telephones

a simulator study. Reprint from Dedicated Road Infrastructure for Vehicle Safety in Europe DRIVE project V 1017 BERTIE `Changes in driver behaviour due to the introduction of RTI systems', report No. 47.
Author(s)
Alm, H. & Nilsson, L.
Year
Abstract

The effects of a mobile telephone conversation on drivers reaction time, lane position, speed level, and workload in two driving conditions (easy versus hard driving task) were studied in an advanced driving simulator. 40 subjects, experienced drivers in the ages 23 to 61 years, were randomly assigned to four experimental conditions. It was found that a mobile telephone conversation had a negative effect on drivers reaction time, when the driving task was easy. It led to a reduction of speed, when the driving task was easy. It had a negative effect on drivers' lane position, most pronounced when the tracking component of the driving task was hard. Finally, it led to an increase in workload for both the easy and hard driving task. The effects were discussed in terms of what subtask, car driving or telephone conversation, the drivers gave the highest priority. Some implications for information systems in future cars were discussed. (A)

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Publication

Library number
C 9750 S /83 / IRRD 852811
Source

Linköping, Swedish Road and Traffic Research Institute VTI, 1991, 32 p., 11 ref.; VTI Särtryck ; No. 175 - ISSN 0347-6049

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