As a major Intelligent Transportation Systems (ITS) initiative, the Vehicle Infrastructure Integration (VII) program is to revolutionize transportation by creating an enabling communication infrastructure that will open up a wide range of safety applications The road-condition warning system is a unique application of VII technology, which is to provide drivers with real-time information about unexpected roadway conditions ahead, such as accidents, speed reduction zones, hazardous weather conditions, etc The safety effectiveness of the VII-based warning systems needs to be investigated under various driving conditions In this study, three different types of warning systems: Rural Highway Driver Warning System (RHDWS), Highway Lane Change Warning System (HLCWS) and Work Zone Driver Warning System (WZDWS), were designed and tested in the designed highway scenarios by driving simulator experiments The experimental results show that all three systems can reduce the crashes in the designed environment According to the survey result, the system is easy for the driver and helpful to them in driving safely under various driving conditions The results of this research will be helpful for the decision making on the application of VII technology

https://rosap.ntl.bts.gov/view/dot/16803/dot_16803_DS1.pdf

Vehicle Infrastructure Integration (VII) Based Road-Condition Warning System for Highway Collision Prevention

Calibrating Communication Simulator for Connected Vehicle Applications

Author(s): Miller, Mark; Golub, Aaron | Abstract: This report describes the development process of the Bus Rapid Transit Performance AssessmentGuidebook (BRT PAG) Tool, which provides a decision support means for tool users to understand at a high level the benefits and costs associated with implementing bus rapid transit systems. The BRTPAG Tool is based on a conceptual framework consisting of BRT system strategies; stakeholder groupings; impacts of individual BRT system strategies; measurement methods used to analyze the impacts that BRT system strategies have on different stakeholders; and quantitative estimates of benefits and costs associated with these impacts. Prior to constructing the tool, research was performed on BRT information and data sources and the structure of the tool was developed.

/pdf/development-of-bus-rapid-transit-performance-assessment-3g28r3lgo2.pdf

Development of Bus Rapid Transit Performance Assessment Guide Tool

Vehicle-Infrastructure Integration (VII) is a federally sponsored initiative to enhance safety and mobility through the use of wireless vehicle-to-vehicle and vehicle-to-infrastructure communications. Although VII research has been focused on light vehicles, the VII concept also holds the potential for significant benefits for transit agencies. This paper presents an overview of the ways in which VII technology could be used to support public transit and paratransit services. It concludes with a summary of the outcomes from a conference call discussion among technology experts from ten U.S. transit agencies regarding their priorities and perspectives on VII. In the near term, transit agencies are primarily interested in applications of VII that yield operational improvements, cost savings, and improvements to the customer experience: namely, enhanced traveler information, traffic signal control, and incident management. Over the longer term, there is strong interest in pursuing VII’s capabilities for fleet management and electronic payment. There was also a general consensus that transit interests should work toward getting a “seat at the table,” wherever possible, as the technical specifications for VII are developed. This will ensure that the VII system architecture does not preclude transit applications and that transit agencies and their customers will be able to reap the benefits of VII. This paper can serve as a point of departure for those discussions with the VII community.

Vehicle-Infrastructure Integration: Applications for Public Transit

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Vehicle-Infrastructure Integration: Applications for Public Transit