On-Time Reliability Impacts of Advanced Traveler Information Services (ATIS): Washington, DC Case Study: Executive Summary

Wunderlich, Karl E.; Hardy, Matthew H.; Larkin, James J.; Shah, Vaishali P.; Mitretek Systems. Center for Telecommunications and Advanced Technology

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On-Time Reliability Impacts of Advanced Traveler Information Services (ATIS): Washington, DC Case Study: Executive Summary

2001-01-01
By Wunderlich, Karl E. ; Hardy, Matthew H. ; Larkin, James J. ; ...

[PDF-269.59 KB]

English

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Creators:

Wunderlich, Karl E. ; Hardy, Matthew H. ; Larkin, James J. ; Shah, Vaishali P.

Wunderlich, Karl E. ; Hardy, Matthew H. ; Larkin, James J. ; Shah, Vaishali P. Less -
Corporate Creators:

Mitretek Systems. Center for Telecommunications and Advanced Technology
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Advanced Traveler Information Systems Advanced Traveler Information Systems Or ATIS Case Studies Evaluation/Program Assessment Impact Studies Regional Multimodal Travel Information Travel Time User Benefits
Publication/ Report Number:

NTIS-PB2001104971 ; 0900610D-01

NTIS-PB2001104971 ; 0900610D-01 Less -
Resource Type:

Tech Report
Geographical Coverage:

Washington (District of Columbia)
Corporate Publisher:

Mitretek Systems
Abstract:

Initiatives to evaluate the impact of Advanced Traveler Information Services (ATIS) over the last ten years have returned what appears to be contradictory results with respect to the time savings of ATIS users: large perceived time savings reported by users but marginal to no observed in-vehicle travel time savings when measured empirically in field operational tests. This report describes a new methodology developed by Mitretek Systems at the request of the Intelligent Transportation Systems (ITS) Joint Program Office (JPO) of the U.S. Department of Transportation (USDOT) to quantify time savings and other benefits that travelers can expect by incorporating ATIS into their daily commutes. To this end, Mitretek has developed a process called HOWLATE (Heuristic On-line Web-Linked Arrival Time Estimator) that applies dynamic programming techniques to archived observed roadway travel times data to quantify the impact of regular ATIS utilization by urban commuters. HOWLATE entails the construction of synthetic, retrospective paired driving trials between travelers with and without ATIS, conducted across regional urban networks and over months or years of archived data. In-vehicle travel time and on-time reliability measures are tracked for each paired driving trial participant. Using results from a large-scale case study in the Washington, DC area this report shows that even though ATIS users realize only marginally reduced in- vehicle travel time, they do realize more effective time management as well as improved on-time reliability and trip predictability.
Format:

PDF
Funding:

DTFH61-00-C-00001
Collection(s):

ITSJPO Digital Library Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:0dadf603a1876f9cf38eece97677cbc001df40dc5f77079da6abbeec765b5ae5
Download URL:

https://rosap.ntl.bts.gov/view/dot/2782/dot_2782_DS1.pdf
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On-Time Reliability Impacts of Advanced Traveler Information Services (ATIS): Washington, DC Case Study: Executive Summary

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