An evaluation of guide signing at right multilane freeway exits with optional lanes /

alternative signs. The results of the laboratory experiment

Bibliographic Details
Main Author: Somers, Richard Andrew
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:alternative signs. The results of the laboratory experiment
alternatives to better communicate the optional lane
alternatives using diagonal arrows over the optional lane
areas of research were identified.
between and within many states. The Texas Manual on Uniform
can be devoted to guide signing information, careful
comprehension could be realized through the use of the
consideration must be given to the content of each sign.
convey upcoming interchange geometry, but not so much as to
current method of signing to determine if increased driver
diverse, non-uniform guide signing applications around the
EXIT" to help communicate the optional lane. In addition,
for further research. The lack of explicit instruction in the
from the use of alternative guide signs. Recommendations
Guide signs should contain enough information to clearly
In urban areas, complex geometric situations make the guide
multilane exits. This research tested guide signing
MUTCD on how to sign multilane interchanges has led to
nation. A review of nationwide practices as part of this
overload the driver's ability to process information.
Previous studies have identified improving communication of
research found that guide signing treatments are different
showed that marginal improvements in comprehension resulted
signing task difficult. Since only a limited amount of space
situation. One alternative included use of the phrase "MAY
tested to see if they were of benefit in helping communicate
the optional lane situation at a multilane exit as an area
the optional lane. The alternatives were tested against the
Traffic Control Devices explicitly recommends signs for
were also tested. Finally, forms of pull-thru signing were
were made as to the use of freeway guide signs, and further
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:xi, 121 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.