Now showing items 1-20 of 25

    • Applications of Connected Vehicle Infrastructure Technologies to Enhance Transit Service Efficiency and Safety, Part 1 

      Hancock, Kathleen (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-09-30)
      Implementing Connected Vehicle Infrastructure (CVI) applications for handheld devices into public transportation transit systems would provide transit agencies and their users with two-directional information flow from ...
    • Applications of Connected Vehicle Infrastructure Technologies to Enhance Transit Service Efficiency and Safety, Part 2 

      Lee, Young-Jae; Thomas, Clayton; Dadvar, Seyedehsan (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-09-30)
      Many transit agencies provide real-time operational information and trip-planning tools through phone, Web, and smartphone applications. These services utilize a one-way information flow from transit agencies to transit ...
    • Bicycle Naturalistic Data Collection 

      Elhenawy, Mohammed; Jahangiri, Arash; Rakha, Hesham (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-06-15)
      Recently, bicycling has drawn more attention as a sustainable and eco-friendly mode of transportation. Between 2000 and 2011, bicycle commuting rates in the United States rose by 80% in large bicycle friendly cities (BFCs), ...
    • Connected Motorcycle Crash Warning Interfaces 

      Song, Miao; McLaughlin, Shane; Doerzaph, Zachary (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-01-15)
      Crash warning systems have been deployed in the high-end vehicle market segment for some time and are trickling down to additional motor vehicle industry segments each year. The motorcycle segment, however, has no deployed ...
    • Connected Motorcycle System Performance 

      Viray, Reginald; Noble, Alexandria M.; Doerzaph, Zachary; McLaughlin, Shane (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-01-15)
      This project characterized the performance of Connected Vehicle Systems (CVS) on motorcycles based on two key components: global positioning and wireless communication systems. Considering that Global Positioning System ...
    • Connected Vehicle Applications for Adaptive Overhead Lighting (On-demand Lighting) 

      Gibbons, Ronald B.; Palmer, Matthew; Jahangiri, Arash (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-07-01)
      The Virginia Tech Transportation Institute (VTTI) has developed an on-demand roadway lighting system and has tested the system’s effect on driver visual performance. On-demand roadway lighting can dramatically reduce energy ...
    • Connected Vehicle Enabled Freeway Merge Management – Field Test 

      Smith, Brian L.; Park, Hyungjun; Hayat, Md Tanveer (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-01-01)
      Freeway congestion is a major problem of the transportation system, resulting in major economic loss in terms of traffic delays and fuel costs. With connected vehicle (CV) technologies, more proactive traffic management ...
    • Connected Vehicle Freeway Speed Harmonization Systems 

      Rakha, Hesham; Yang, Hao (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-03-15)
      The capacity drop phenomenon, which reduces the maximum bottleneck discharge rate following the onset of congestion, is a critical restriction in transportation networks that causes additional traffic congestion. Consequently, ...
    • A Connected Vehicle–Enabled Virtual Dynamic Message Sign System Demonstration and Evaluation on the Virginia Connected Vehicle Test Bed 

      Park, Hyungjun; Babiceanu, Simona; Kluger, Robert; Smith, Brian; Recht, David (Connected Vehicle/Infrastructure University Transportation Center, 2016-03-15)
      Dynamic message signs (DMSs) are widely used to deliver traveler information. While these have proven to be effective, key limitations exist: (1) the locations of DMSs are fixed, (2) reading a DMS message is distracting ...
    • Emergency Vehicle-to-Vehicle Communication 

      Murray-Tuite, Pamela; Phoowarawutthipanich, Aphisit; Islam, Rauful; Hdieb, Naser (Connected Vehicle/Infrastructure University Transportation Center, 2016-08-15)
      Emergency response vehicles (ERVs) frequently navigate congested traffic conditions to reach their destinations as quickly as possible. In this report, several efforts performed by the research group are described, including ...
    • Field Implementation Feasibility Study of Cumulative Travel-Time Responsive Intersection Control Algorithm under Connected Vehicle Technology 

      Choi, Saerona; Park, Byungkyu Brian; Lee, Joyoung (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-03-31)
      This project utilized the Connected Vehicle (CV) environment, which provides two-way wireless communications between vehicles and infrastructure, to (1) improve the Cumulative Travel-time Responsive (CTR) Intersection ...
    • Field Testing of Eco-Speed Control Using V2I Communication 

      Rakha, Hesham; Chen, Hao; Almannaa, Mohammed; Kamalanathsharma, Raj Kishore; El-Shawarby, Ihab; Loulizi, Amara (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-04-15)
      This research focused on the development of an Eco-Cooperative Adaptive Cruise Control (Eco-CACC) System and addressed the implementation issues associated with applying it in the field. The Eco-CACC system computes and ...
    • Human Factors Evaluation of an In-Vehicle Active Traffic and Demand Management (ATDM) System 

      Sykes, Kayla (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-02-15)
      This research study focused on the development and subsequent evaluation of an in-vehicle Active Traffic and Demand Management (ATDM) system deployed on Interstate 66 in Northern Virginia. The ATDM elements inside the ...
    • Infrastructure Pavement Assessment & Management Applications Enabled by the Connected Vehicles Environment – Proof-of-Concept 

      Flintsch, Gerardo; Smith, Brian L. (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2015-09-30)
      The objective of this project was to develop prototypes and conduct a field test of system level applications of a connected vehicle pavement condition measurement system. This allowed the research team to: (1) investigate ...
    • Infrastructure Safety Assessment in a Connected Vehicle Environment 

      Smith, Brian L.; Kluger, Robert; Park, Hyungjun (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2015-12-15)
      The goal of the Infrastructure Safety Assessment in a Connected Vehicle (CV) Environment project was to develop a method to identify infrastructure safety “hot spots” using CV data. Using these basic safety messages to ...
    • An Innovative Intelligent Awareness System for Roadway Workers Using Dedicated Short-Range Communications 

      Bowman, Darrell S.; Martin, Tom L. (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2015-10-15)
      Roadside workers and emergency responders, such as police and emergency medical technicians, are at significant risk of being struck by vehicular traffic while performing their duties. While recent work has examined active ...
    • Intersection Management Using In-Vehicle Speed Advisory/Adaptation 

      Rakha, Hesham; Bichiou, Youssef; Hassan, Abdallah; Zohdy, Ismail (Connected Vehicle/Infrastructure University Transportation Center, 2016-08-30)
      In recent years, connected vehicles (CVs) and automated vehicles (AVs) have emerged as a realistic and viable transportation option. Research centers and companies have dedicated substantial efforts to the technology, ...
    • Measuring User Acceptance of and Willingness-to-Pay for CVI Technology 

      Shin, Hyeong-Shic; Callow, Michael; Farkas, Z. Andrew; Lee, Young-Jae; Dadvar, Seyedehsan (Connected Vehicle/Infrastructure University Transportation Center, 2016-09-30)
      The increased prevalence of Connected Vehicles (CVs) is expected to provide significant safety benefits to roadway users. Estimates indicate that the use of CVs will reduce non-impaired driver crashes by 80 percent. To ...
    • Mobile User Interface Development for the Virginia Connected Corridors 

      Mollenhauer, Michael; Noble, Alexandria M.; Doerzaph, Zachary R. (Connected Vehicle/Infrastructure University Transportation Center, 2016-10-15)
      The purpose of this research and development activity was to build a mobile application with a low-distraction user interface appropriate for use in a connected vehicle (CV) environment. To realize their full potential, ...
    • Next Generation Transit Signal Priority with Connected Vehicle Technology 

      Hu, Jia; Lee, Young-Jae; Park, Byungkyu Brian; Dadvar, Seyedehsan (Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC), 2016-01-30)
      This project utilized connected vehicle (CV) technology allowing two-way communication among vehicles and infrastructure to develop a next-generation Transit Signal Priority (TSP) system that does not have to rely on ...