Evaluation of detector placement strategies for first generation traffic responsive signal control /

a traffic responsive signal control system on NASA Road I in

Bibliographic Details
Main Author: Brehmer, Christopher Lynn, 1974-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a traffic responsive signal control system on NASA Road I in
achieved by time-of-day operations and traffic responsive
applicability to complex arterial networks with multiple
arterial network. Simulation studies were undertaken using
best alternative. This conclusion was made on the basis that
configurations and time-of-day mode. Given the second
configurations considered. While this result was expected to
consistent with past research.
control systems akin to the NASA Road I system be shifted to
corresponding timing plan from a library of plans. One of
critical intersections was not investigated. This research
data to evaluate current traffic conditions and select a
day plan (which required no system detectors) offered the
Department of Transportation, a major intersection and 800
detectors required by each detector configuration. It was
detectors, it was concluded that a well calibrated time-of-
determined that there were no statistical differences among
evaluation criterion, minimization of the number of system
examined: the existing configuration used by the Texas
further suggested that the focus of traffic responsive
hold true for relatively small arterial systems, its
Houston, Texas. Three different detector configurations were
intersection offered the best alternative of the three
major shifts in cycle length. These observations were
meter placement, and use of detectors only on the approaches
mode might be desired, it was concluded that operating in the
of detector configurations. System performance was analyzed
on the basis of total system delay and the number of
only respond to major directional traffic pattern changes and
operations for the same three periods were also simulated to
operations. In situations where the use of traffic responsive
performance under varying traffic conditions. Time-of-day
provide a basis of comparison in evaluating the effectiveness
signal systems involves locating system detectors within an
the delay data while operating the different detector
the major decisions surrounding the use of traffic responsive
there was no statistical difference in the performance levels
to the critical intersection. Traffic responsive operations
TRAF/NETSIA4 software to evaluate detector configurations for
traffic responsive mode using detectors at the critical
Traffic responsive signal systems rely on system detector
were simulated for three time periods to evaluate system
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:x, 90 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: 75-76.