Motorist interpretation of potential transition symbols in a freeway lane control signal array /

Although the average median distance to the lane change

Bibliographic Details
Main Author: Wohlschlaeger, Steven D.
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:Although the average median distance to the lane change
and "lane is congested" became the second most popular
and either one or no red X. The response offered most
arrays tested consisted of some combination of freeway
arrow". However, it was observed that subject responses
blocked, or closing". The second most frequent
both candidate yellow symbols were similar regarding subjects'
candidate yellow symbols, at least one green down arrow,
containing a lane control signal array. Each of the
control signal array. Regarding subject interpretation
diagonal arrow, subjects' perceived urgency of response to
do if travelling in the lane below any of the candidate
freeway lane control signals (more s . pacifically to
frequently by survey subjects when asked what they would
However, this affect was more pronounced for subjects viewing
in a scene depicting a three-lane freeway section
indicate a reaction considered "incorrect" given the intended
interesting difference. Subjects viewing the lane control
interpretation of both candidate yellow symbols when
interpretation of, and perceived urgency of response to
introduction of the red X into the lane control signal array.
lane control signal array altered subject perception,
lane control signal symbols which included one of the
maneuver was identical for both the yellow X and yellow
meaning.
most frequently by survey subjects was "lane closed,
of the candidate yellow symbols, the meaning offered
physically"; however, introduction of the red X into the
regarding subjects' interpretation and perceived urgency of
response, analysis of their indicated reaction revealed an
results for the two candidate yellow symbols were similar
shown with green down arrows only was "lane ends
signal arrays containing the yellow X were more likely to
the lane control signal array containing the yellow X. While
the yellow X and yellow diagonal arrow) when displayed
the yellow X when the red X was introduced into the lane
This thesis documents licensed driver response to,
to the yellow diagonal arrow varied less than those to
use of the candidate yellow symbols than they were when
viewing the arrays with the yellow diagonal arrow.
yellow symbols was "move to the lane with the green
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:x, 66 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.