Validation of the Highway Performance Monitoring System for forecasting levels of traffic /

author into the year 1992. Then the actual demand levels

Bibliographic Details
Main Author: Bray, Rebecca Anne
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:author into the year 1992. Then the actual demand levels
data. Data from the two test years were obtained from TTI.
determining the accuracy of the Texas Department of
developed. However, overall the project demand levels were
estimated using straight line regression as currently used by
Federal Highway Administration's Highway Performance
forecasting is not accurate and a new method should be
forecasting method generally results in a demand estimate
in the determination of the accuracy of the forecasting
levels of traffic demand. The data that was used was the
located on the Texas A&M campus. These data sets were used
lowered by a standard percentage, then the projected data
method as used by the TXDOT in the submission of the liPMS
Monitoring System (BPMS), which is a data base containing
much better than anticipated. In each of the classifications
nation. Two sets of data from different test years were
obtained from the Texas Transportation Institute (TTI)
points would be much closer to the actual data points.
points. The studies confirmed that this method of
recorded in 1992 were compared to these forecasted data
straight linejust above the actual data points. The
that is too high. If the projected demand values could be
The test years chosen were 1987 and 1992. The data were
there was a pattern to all of the data points: to lie on a
This thesis documents the results and studies conducted when
Transportation (TXDOT) methodology of forecasting future
TXDOT. The data for the year 1987 were projected by the
various information for all public road facilities within the
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:xii, 70 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.