Establishing Monitoring Programs for Travel Time Reliability

List, George F.; Williams, Billy M.; Rouphail, Nagui M.; Hranac, Rob; Barkley, Tiffany; Mai, Eric; Ciccarelli, Armand; Rodegerdts, Lee; Pincus, Katie; Nevers, Brandon; Karr, Alan F.; Zhou, Xuesong; Wojtowicz, Jeffrey; Schofer, Joseph L.; Khattak, Asad J.; North Carolina State University. Institute for Transportation Research & Education; Kittelson & Associates; University of Utah; Rensselaer Polytechnic Institute; Northwestern University (Evanston, Ill.); Iteris/Berkeley Transportation Systems, Inc.; National Institute of Statistical Sciences; Planitek; Second Strategic Highway Research Program (U.S.)

doi:10.17226/22612

Advanced Search

Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.

Search our Collections & Repository

Advanced Search
Custom Query

All these words:

For very narrow results

This exact word or phrase:

When looking for a specific result

Any of these words:

Best used for discovery & interchangable words

None of these words:

Recommended to be used in conjunction with other fields

Language:

Dates

Publication Date Range:

to

Document Data

Title:

Document Type:

Library

Collection:

Series:

People

Author:

Clear All

Query Builder

Query box

Clear All

For additional assistance using the Custom Query please check out our Help Page

i

Establishing Monitoring Programs for Travel Time Reliability

2014-01-01
By List, George F. ; Williams, Billy M. ; Rouphail, Nagui M. ; ...

[PDF-20.02 MB]

Select the Download button to view the document

This document is over 5mb in size and cannot be previewed

English

Details Related Documents You May Also Like

Details:

Alternative Title:

SHRP 2 report S2-L02-RR1.
Creators:

List, George F. ; Williams, Billy M. ; Rouphail, Nagui M. ; Hranac, Rob ; Barkley, Tiffany ; ... More +

List, George F. ; Williams, Billy M. ; Rouphail, Nagui M. ; Hranac, Rob ; Barkley, Tiffany ; Mai, Eric ; Ciccarelli, Armand ; Rodegerdts, Lee ; Pincus, Katie ; Nevers, Brandon ; Karr, Alan F. ; Zhou, Xuesong ; Wojtowicz, Jeffrey ; Schofer, Joseph L. ; Khattak, Asad J. Less -
Corporate Creators:

North Carolina State University. Institute for Transportation Research & Education ; Kittelson & Associates ; University of Utah ; Rensselaer Polytechnic Institute ; Northwestern University (Evanston, Ill.) ; ... More +

North Carolina State University. Institute for Transportation Research & Education ; Kittelson & Associates ; University of Utah ; Rensselaer Polytechnic Institute ; Northwestern University (Evanston, Ill.) ; Iteris/Berkeley Transportation Systems, Inc. ; National Institute of Statistical Sciences ; Planitek ; Second Strategic Highway Research Program (U.S.) Less -
Corporate Contributors:

National Research Council (U.S.). Transportation Research Board ; United States. Federal Highway Administration ; American Association of State Highway and Transportation Officials

National Research Council (U.S.). Transportation Research Board ; United States. Federal Highway Administration ; American Association of State Highway and Transportation Officials Less -
Subject/TRT Terms:

[+]

Case Studies Data Collection Data Quality Highway Travel Intelligent Transportation Systems Sensors Strategic Highway Research Program 2 (SHRP2) Traffic Surveillance Travel Time Travel Time Reliability
Publication/ Report Number:

S2-L02-RR-1
DOI:

https://doi.org/10.17226/22612
Resource Type:

Tech Report
Right Statement:

National Academies of Science
Geographical Coverage:

United States ; California ; New York ; Virginia ; New Jersey ; ... More +

United States ; California ; New York ; Virginia ; New Jersey ; San Diego (California) ; Sacramento (California) ; Atlanta (Georgia) Less -
ISBN:

9780309272865
Corporate Publisher:

National Research Council (U.S.). Transportation Research Board
Abstract:

Within the second Strategic Highway Research Program (SHRP 2), Project L02 focused on creating a suite of methods by which transportation agencies could monitor and evaluate travel time reliability. Creation of the methods also produced an improved understanding of why and how travel times vary and the factors that create that variation. This final report provides a brief narrative about what reliability is and how it can be measured and analyzed. A general finding is that reliability is best described by creating holistic pictures like probability density functions (PDFs) and their associated cumulative density functions (CDFs). PDFs are helpful for identifying multimodality or the existence of multiple operating conditions within the data being examined. CDFs are helpful for seeing if progress is being made in making a system more reliable or for comparing the reliability of one system against another. After an introductory chapter, chapters in this report address: a survey of existing systems and user needs; functional specifications; data collection, assembly, and cleaning; sensor spacing and sampling for travel time reliability monitoring; data processing and analysis; and case studies. The last chapter provides a summary and conclusions.

For supporting datasets, please see https://rosap.ntl.bts.gov/view/dot/3602
Format:

PDF
Collection(s):

ITSJPO Digital Library
Main Document Checksum:

[+]

urn:sha256:4c55080dfdbd66916d86082042d44cfe2927400c59ce23e765aa919c88d698a9
Download URL:

https://rosap.ntl.bts.gov/view/dot/4039/dot_4039_DS1.pdf
File Type:

No Additional Files

More +

Establishing Monitoring Programs for Travel Time Reliability

Details:

Supporting Files

Related Documents

You May Also Like