TravTek evaluation Orlando test network study

Inman, V.; Sanchez, Rebecca; Bernstein, L.; Porter, C. L.; United States. Federal Highway Administration; Science Applications International Corporation

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

TravTek evaluation Orlando test network study

1996-01-01
By Inman, V. ; Sanchez, Rebecca ; Bernstein, L. ; ...

[PDF-709.40 KB]

English

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Creators:

Inman, V. ; Sanchez, Rebecca ; Bernstein, L. ; Porter, C. L.

Inman, V. ; Sanchez, Rebecca ; Bernstein, L. ; Porter, C. L. Less -
Corporate Creators:

United States. Federal Highway Administration ; Science Applications International Corporation

United States. Federal Highway Administration ; Science Applications International Corporation Less -
Subject/TRT Terms:

[+]

Advanced Driver Information Systems Advanced Traffic Management Systems ATIS ATMS Drivers EVALUATION/PROGRAM ASSESSMENT INTELLIGENT VEHICLE INITIATIVE OR IVI ITS IVHS OPERATIONAL TESTS Perception Performance Real-Time Traffic Information Route Guidance Route Planning Traffic Control Centers TravTek
Publication/ Report Number:

FHWA-RD-95-162
Resource Type:

Tech Report
Geographical Coverage:

Florida
Edition:

Final Report; Nov. 1991, Sept. 1995
Contracting Officer:

Frank Mammano, HSR-12
Corporate Publisher:

United States. Joint Program Office for Intelligent Transportation Systems
Abstract:

The Orlando Test Network Study was one of a series of investigations conducted as part of the TravTek operational test of an

advanced traveler information and traffic management system (ATIS/ATMS). The TravTek system consisted of the Orlando

Traffic Management Center (TMC), the TravTek vehicles, and the TravTek Information and Services Center. The TMC

broadcast updated travel times for TravTek traffic links to the TravTek vehicles once each minute. The TravTek vehicles

broadcast their link travel times back to the TMC for transmission to the other TravTek vehicles. The vehicles were equipped

to provide route planning, route guidance, and a data base of local services and attractions. The primary purpose of this study

was to evaluate the effects of alternative driver interfaces on driver performance, navigation performance, driver perception,

driver preference, and willingness-to-pay.

A controlled experiment was conducted in which up to six TravTek vehicles traveled the same origin to destination (O/D)

pairings to evaluate six alternative information presentation configurations: five TravTek alternatives and a control configuration.

Three visual display conditions were tested: a moving map display, a symbolic guidance display, and a condition with no

visual display. Two aural conditions were tested in combination with the three visual conditions: synthesized voice guidance

and no voice guidance. The six information presentation configurations were evaluated both in the day and at night. Five of

six combinations utilized the TravTek and one configuration (no visual display and no voice guidance) was considered the

Control condition. The drivers in the Control condition had to plan and navigate to their destination as “they normally would”

without the use of automated route planning and route guidance. Data from 3 18 drivers are presented.

TravTek benefits to individual drivers included travel time savings and a reduction in perceived workload. Both the moving

map and simplified turn-by-turn visual displays were very effective compared to the Control condition, particularly when the

visual displays were supplemented with synthesized voice guidance. User perception and performance data suggest that the

system was easy to learn and easy to use. Participants in this study indicated that they would be willing to pay about $1000 for

a system such as the one they drove.
Format:

PDF
Funding:

DTFH61-91 C-001 06
Collection(s):

Federal Highway Administration ITSJPO Digital Library
Main Document Checksum:

[+]

urn:sha-512:36954893033ce4974eee512af37f9b1f528b6e7badcd942f062177689c342c5ef1a683ddbb5b3756d7abaa5a9d5248fb8b2d9c8f1bfd295539a5331219aabacc
Download URL:

https://rosap.ntl.bts.gov/view/dot/2732/dot_2732_DS1.pdf
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TravTek evaluation Orlando test network study

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