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Accession Number PB2013-103551
Title Evaluation of Camera-Based Systems to Reduce Transit Bus Side Collisions - Phase II, Summary.
Publication Date Dec 2012
Media Count 1p
Personal Author P. S. Lin
Abstract In a previous project for the Florida Department of Transportation (FDOT project BDK85 977-08), University of Florida researchers demonstrated the effectiveness of side-view cameras in giving bus operators a clear view of the right and left sides of the bus, eliminating large blind spots. The Florida Crash Analysis Reporting System (CARS) shows that about 2500 bus-at-fault collisions occur each year in the state, and almost half of these occur in the right and left bus blind spots. In this project, the researchers took the next step of developing and field-testing a functional hybrid camera-mirror system and recommending specifications for such systems, with the goal of facilitating their widespread use. In the previous project, operators answered a key question for development of the system: they preferred a hybrid mirror-camera system over cameras alone. Also in the previous project, the camera systems used were aftermarket products with a wide-angle view of up to 100 degrees. Operators found that this angle covered too wide an area, and with the fish-eye distortion, the scene was difficult to interpret. Therefore, after testing, the researchers selected for this project a 65-degree angle for the developed system, which gave excellent coverage and a flatter, more easily interpretable scene.
Keywords Accident reduction
Bus drivers
Collision warning systems
Controlled driving test
Field deployment
Image processing
Side collisions
Traffic safety
Transit buses
Vehicle blind zone
Vehicle detection
Vehicle mirrors
Video signals

Source Agency Department of Transportation Office of University Research
NTIS Subject Category 85H - Road Transportation
85D - Transportation Safety
91B - Transportation & Traffic Planning
43G - Transportation
Corporate Author Center for Urban Transportation Research, Tampa, FL.
Document Type Technical report
Title Note Summary rept.
NTIS Issue Number 1309
Contract Number N/A

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