01054591

Component

Twenty subjects were asked to drive a fixed base driving simulator and use a laptop computer to search for information to perform four types of simulated internet tasks in two task conditions, and in three different road conditions. The tasks types included: 1) obtaining weather information, 2) reading headline news, 3) retrieving stock quotes, and 4) obtaining airline flight information. These tasks were performed in two task conditions: 1) driver inputs with the laptop’s touch pad, and 2) a simulated voice input method. The road conditions were: 1) open road, 2) car following and 3) car following with fog. The subject’s driving performance was measured with and without the tasks to assess the effect of the tasks relative to the baseline driving condition. The results showed that: 1) lane position standard deviation doubled when performing these tasks as compared to when the subjects did not perform the tasks. 2) voice activation reduced lane position standard deviation by about 20%, 3) while using the laptop with touch pad, the mean velocity decreased by about 2 ft/sec as compared to when the voice activation was used, 4) no differences were observed due to task types and road conditions, and 5) the subject effect was found to be significant on all performance measures.

01042056

07-0204

English

23p

2007

Transportation Research Board 86th Annual Meeting

CD-ROM

Figures (7) ; References (7) ; Tables (1)

Distraction; Distributions (Statistics); Driving simulators; Information retrieval; Internet; Speech recognition

Highways; Safety and Human Factors; I83: Accidents and the Human Factor

Transportation Research Board Annual Meeting 2007 Paper #07-0204

BTRIS, TRIS, TRB

Feb 8 2007 4:46PM