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Transit vehicle-to-infrastructure (V2I) applications : near term research and development. Transit bus-pedestrian/cyclist crossing safety application : operational concept.
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2013-11-01
[PDF-1.39 MB]
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Abstract:This document serves as an Operational Concept for the Transit Bus-Pedestrian/Cyclist Crossing Safety application. The purpose of this document is to provide
an operational description of “how” the Transit Bus-Pedestrian/Cyclist Crossing Safety Warning application may operate.
The Pedestrian/Bicycle Crossing Safety application will alert/warn transit bus drivers as needed based on transit vehicle’s intention of traveling across a crosswalk
where pedestrians or bicycles may be present and assessed level of collision risk. The application allows messages to be sent to transit vehicle drivers via a
driver-vehicle interface, providing an appropriate alert type, based on calculated level of collision risk. The Operational Concept discusses the following scenarios:
• Scenario 1: Motor Bus traveling straight (Signalized intersection)
• Scenario 2: Motor Bus turning (Signalized intersection)
• Scenario 3: Motor Bus traveling straight (unsignalized intersection)
• Scenario 4: Motor Bus turning (Unsignalized intersection)
• Scenario 5: Motor Bus traveling straight (mid-block pedestrian crossing)
This document is intended to convey at a high-level how the application may work, so others may design and implement systems in the future. As such, the
Transit V2I Operational Concept documents are “generalized” and not specific to a geographic area, an operating entity (e.g., transit agency), existing systems
that may be in place for a region, agency operating procedures, nor political environment.
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