DIRECT Operational Field Test Evaluation: Natural Use Study: Part 4: Recommendations for Expanded Deployment

Ristenbatt, Marlin; Underwood, Steven Eugene; Reed, Thomas B.; Shahine, Ghassan; Richeson, Rebecca; University of Michigan. Intelligent Transportation Systems Research Laboratory

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DIRECT Operational Field Test Evaluation: Natural Use Study: Part 4: Recommendations for Expanded Deployment

1998-08-01
By Ristenbatt, Marlin ; Underwood, Steven Eugene ; Reed, Thomas B. ; ...

[PDF-270.06 KB]

English

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Creators:

Ristenbatt, Marlin ; Underwood, Steven Eugene ; Reed, Thomas B. ; Shahine, Ghassan ; Richeson, Rebecca

Ristenbatt, Marlin ; Underwood, Steven Eugene ; Reed, Thomas B. ; Shahine, Ghassan ; Richeson, Rebecca Less -
Corporate Creators:

University of Michigan. Intelligent Transportation Systems Research Laboratory
Corporate Contributors:

Michigan. Dept. of Transportation. Transportation Systems Section
Subject/TRT Terms:

[+]

Advanced Driver Information Systems Demonstration Projects Deployment DIRECT (Program : Michigan) Evaluation And Assessment Highway Advisory Radio Highway Safety Intelligent Transportation Systems
Publication/ Report Number:

EECS-ITS LAB-DT98-001
Resource Type:

Tech Report
Geographical Coverage:

Detroit (Michigan)
TRIS Online Accession Number:

00821791
Corporate Publisher:

University of Michigan. Intelligent Transportation Systems Research Laboratory
NTL Classification:

NTL-INTELLIGENT TRANSPORTATION SYSTEMS-Information Management;NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS;
Abstract:

The DIRECT [Driver Information Radio using Experimental Communication Technologies] project compared four low-cost driver information systems. Of the four that were compared, the RDS approach proved superior to the others in toggling reliability and voice quality. The DIRECT project planned to expand the implementation of the radio driver information systems in the final (expanded fleet) stage to get a better understanding of how to improve the service provided by this most highly-rated system. An interesting clue to the drivers needs for information was uncovered in the driver survey and tracking data. The drivers often used the information to avoid highway construction areas. The expanded fleet project proposed herein exploits such insights, as well as other major developments.

Our DIRECT experience convinced us that using two subcarriers from an FM station was not feasible due to: 1) the additional cost to lease the additional subcarrier from all participating stations; and 2) the changes it would require in RDS receivers. Hence we now propose a simplified information system, referred to as Route Specific Traffic Alerting System (RSTAS), which uses only the single RDS subcarrier.
Format:

PDF
Funding:

94-1519 DAB
Collection(s):

ITSJPO Digital Library
Main Document Checksum:

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urn:sha256:9d6681afe38527f06a4d373f69ed8a3adbc3d06cda4653d86325bb80aa97822d
Download URL:

https://rosap.ntl.bts.gov/view/dot/2318/dot_2318_DS1.pdf
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DIRECT Operational Field Test Evaluation: Natural Use Study: Part 4: Recommendations for Expanded Deployment

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