Predicting violations at gated active highway-railroad grade crossings /

a remote video recording system. Train speed, warning time

Bibliographic Details
Main Author: Bean, Jonathan Alan
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a remote video recording system. Train speed, warning time
active highway-railroad grade crossings are likely one of the
an arrival-specific approach. These approaches investigated
arrival, respectively. It was found that the frequency of
by a given highway-railroad grade crossing. It also was
constant or fixed-distance warning time devices). Violations
delays and delays due to the gate arms remaining down for an
device type (constant versus fixed-distance), and adequacy of
during a 24hour period. It was recommended that a similar
exclusively a function of the exposure. Train speed and
highway-railroad grade crossings. Data was collected using
influenced violations occurring after the gates were fully
lanes, false activations, number of tracks, warning time
length, impedance, exposure, AADT per lane, number of highway
lowered, but before the train arrived. Variables that also
main contributors to many of the accidents that occur at
modeling procedure be used as a surrogate to accident
Motorists deciding to drive around lowered gates at gated
multiple tracks and/or average train speeds below 35 km/hr.
occurred only on rare occasions. It appeared that violations
occurring after the train passed through the crossing
of this type were influenced by longer than average train
operational characteristics that exist at gated active
prediction models to estimate the degree of hazard presented
recommended that constant warning time devices be used
relationships between these violations and the geometric and
sight distance were the variables investigated in this study.
significantly impacted the frequency and likelihood of this
specific conditions present during each train-vehicle
The data was analyzed using both a site-specific approach and
the influence of average site characteristics and the
these crossings. The objective of this study was to develop
tracks, and the variability in warning time (the presence of
type of violation included false activations, number of
violations before the gates were fully lowered is almost
warning time length were found to be the variables that most
were developed to predict the number of violations expected
whenever feasible with priority given to crossings with
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:xi, 102 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 77-79.