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Glossary & Acronyms

  • A
    • Advanced Driver Assistance Systems (ADAS)

      Systems to help a driver in the driving process, which, when designed with a safe Human-Machine Interface, should increase car safety and more generally road safety.


    • Ann Arbor Connected Vehicle Test Environment

      A real-world implementation of connected vehicle technologies being used by everyday drivers in and around Ann Arbor, which is a continuation and growth of the previous effort, The Safety Pilot Model Deployment that included over 3,000 vehicles. Community members and their vehicles can partake in research by installing one of two types of technology: Vehicle Awareness Device (VAD) or Aftermarket Safety Device (ASD).


  • B
    • Backhaul Communications

      The closed network communication links between a Traffic Management Center (or other back offices) and roadside equipment

      The Border Wait Time System (BWT)

      Located at the Blue Water Bridge in Port Huron, supports the overall goal to promote safe, secure and efficient border crossing operations that support economic and social prosperity of the State of Michigan, and mitigate the impact of international trade on local communities.


  • D
    • Data Use Analysis and Processing (DUAP)

      An MDOT initiative that investigates how this data, and other mobile and fixed data, can be used to increase the efficiency in the way the agency manages and operates itself. DUAP focuses on using connected vehicle and other mobile observations, in conjunction with other traditional MDOT data sets, to populate a series of applications used by the transportation agency.

      Dedicated Short Range Communications (DSRC)

      A technology similar to Wi-Fi which is fast, secure, reliable, and unlikely to be vulnerable to interference. Using either in-vehicle or aftermarket devices that continuously share important safety and mobility information, vehicles ranging from cars to trucks and buses to trains would be able to "talk" to each other and to different types of roadway infrastructure.


  • E
    • Environmental Sensor Stations (ESS)

      A field site where environmental sensors measure road weather conditions such as temperature and barometric pressure, wind speed, precipitation and snow depth, and pavement surface condition. Data from the ESS is used to support maintenance and operations decisions for the roadway as part of an overall Road Weather Information System (RWIS).


  • F
    • Federal Highway Administration (FHWA)

      The modal administration under the U.S. Department of Transportation (US DOT) responsible the nation's roadways and highways, in support of local and state jurisdictions.


  • H
    • Hyundai America Technical Center, Inc. (HATCI)

      Tone of the original equipment manufacturers who participated in Ann Arbor model deployment project. Also, HATCI is one of the CAMP V2I Consortium members working on the V2I Safety Applications project to develop RSZW, CSW, and RLVW applications. Learn more


  • I
    • The Intelligent Transportation Systems Joint Program Office (ITS JPO)

      The ITS JPO coordinates ITS policy and research activities in the area of transportation technologies in support of the various modal administrations which utilize them, including FHWA, the Federal Transit Administration (FTA), and others.


  • L
    • Light Detection and Ranging (LiDAR)

      a surveying technology detection system that works on the principle of radar, but uses light from a laser. The laser measures distance by illuminating a target with a laser light.


  • M
    • Michigan Department of Transportation (MDOT)

      MDOT is the department responsible for the state's transportation assets, including the interstate highway system, designated state trunk highways, and other assets such as state-owned airports and railroads. MDOT works with various regional authorities and transportation agencies to help to establish transportation policy.

      Mobile Monday Michigan

      supported by the Mobile Technology Association of Michigan, Mobile Monday Michigan is a mobile/wireless (connected) tech networking and education organization, which is a branch of the international Mobile Monday organization based in Finland. In Michigan, there are four chapters (Detroit, Ann Arbor, Lansing and Grand Rapids) with over 3000 members statewide. Learn more

      Mobile Technology Association of Michigan (MTAM)

      Based in Detroit and serving all of Michigan, MTAM is a non-profit trade association for Michigan's mobile / wireless technologies, the firms who provide them, and the firms—in all industries—who use them. The organization's mission is to facilitate conversation/collaboration between varied sectors of the mobile/wireless eco-system and serve as the bridge to enable diverse organizations to understand each other's perspectives and needs in order to drive new innovation and opportunities involving these technologies; to increase the use of Michigan-based mobile/wireless technology products and services in-state, nationally and globally; to increase the productivity and profitability of every industry vertical in Michigan via the use of these technologies; to create sustainable jobs and increased entrepreneurial opportunities in the state based on the use of these technologies, thereby achieving substantial growth of Michigan's economy; and to help the communities we serve via the use of these technologies. Learn more

      Michigan Tech Transportation Institute (MTTI)

      A consortium within Michigan Technological University, is a multi-disciplinary organization conducting a wide range of applied research, outreach and education activities in the transportation field. Principal investigators, both faculty and staff, within MTTI have extensive experience in research at federal, state and local levels in the fields of asphalt, portland cement concrete, bridge monitoring, multi-modal freight movement with an emphasis on rail and intelligent transportation systems (ITS) including connected vehicles and human factors. Learn more


  • N
    • National Highway Traffic Safety Administration (NHTSA)

      An agency under the US DOT, NHTSA is charged with writing and enforcing Federal Motor Vehicle Safety Standards, as well as regulations regarding theft resistance and fuel economy. In addition, NHTSA licenses vehicle manufacturers and importers.

      Nomadic Device

      The nomadic device is located on the traveler, whether it be a pedestrian, bicyclist, or traveler using another means of transportation such as a wheelchair.


  • O
    • Onboard Equipment (OBU)

      Devices located in the vehicle either as standard equipment or as an after-market device.


  • Q
    • Quanergy Systems

      A leading provider of LiDAR smart sensing solutions for real-time capture and processing of 3D spatial data and object detection, tracking and classification. Quanergy sensors, based on solid state technology, are disruptive in their cost, performance, reliability, size, weight, and power consumption. These LiDAR sensors enable broad deployment of ADAS and autonomous driving systems. Quanergy LiDAR sensors also enhance the performance of smart city applications such as intersection management, rail crossings and smart parking. Learn more


  • R
    • Road Commission for Oakland County (RCOC)

      Maintains Michigan's largest county road system and is one of the few local road agencies in the nation that has been involved in Intelligent Transportation System

      Roadside Unit

      A connected device that is only allowed to operate from a fixed position (which may in fact be a permanent installation or from temporary equipment brought on-site for a period of time associated with an incident, road construction, or other event). Some RSUs may have connectivity to other nodes or the Internet.

      Road Weather Information System (RWIS)

      A combination of technologies that collects, transmits, models, and disseminates weather and road condition information.


  • S
    • Signal Phase and Timing (SPaT) Data

      Message broadcast from an RSU to a vehicle which contains information regarding the current and near future signal timing status, including the current signal state (green/yellow/red) by phase, and the time to phase change.

      Strategic Highway Safety Plan (SHSP)

      A plan developed through the Michigan Governor's Traffic Safety Advisory Commission to improve the state's traffic safety culture.


  • T
    • Toward Zero Death (TZD) Campaign

      Developed from a national strategy to reduce traffic fatalities.

      Traffic Signal Controller

      Traditional roadside equipment that can be updated to use high-fidelity data collected from vehicles through V2V and V2I wireless communications, as well as pedestrian and non-motorized travelers, to control signals and maximize flows in real time.

      Transportation Management System (TMS)

      An integrated and automated decision-support tool provides the capability to identify condition, analyze usage patterns and determine deficiencies of transportation infrastructure. The Transportation Management System (TMS) designed and implemented by MDOT serves as an integral decision support tool to feed a comprehensive project prioritization process and to provide a clear link showing how proposed projects and proposed use of funds support the State Long Range Plan and the Long Range Plans of TMAs, MPOs and other agencies within Michigan. It is designed as a single management system with six components or subsystems. These systems include: Bridge, Congestion, Intermodal, Pavement, Public Transportation, and Safety. This allows the TMS to include a common shared database, a common set of decision support tools and functionality, and the use of a robust and consistent user interface. Data collected, processed and maintained at the working levels are stored using an enterprise database management system.

      Truck Parking Information and Management System (TPIMS)

      The I-94 Truck Parking Information and Management System (TPIMS) assesses truck parking availability along the I-94 corridor in southwest Michigan and delivers real-time parking availability information to truck drivers. The project was federally funded under the Federal Highway Administration (FHWA) Truck Parking Facilities Discretionary Grants Program. MDOT is using a number of methods to share parking availability information, including dynamic roadside truck parking signs, MDOT's Mi Drive traveler information portal, Truck Smart Parking Services, Inc., and smartphone applications. With any intelligent transportation system, driver distraction is a major consideration and was a critical focus when designing all aspects of the project. Features like text-to-speech were implemented in the smartphone application to reduce driver distraction and improve safety.

      U.S. Army Tank Automotive Research, Development and Engineering Center (TARDEC)

      Located in Warren, Michigan, TARDEC is the Army's leading developer of ground vehicle technology.

      Title 49 of the United States Code

      Transportation title that includes laws governing various transportation-related programs and agencies, including the Department of Transportation, general and intermodal programs, interstate commerce, rail and motor vehicle programs, aviation programs, pipelines, and commercial space transportation.


  • V
    • Vehicle to Vehicle (V2V) Communications

      Supports the wireless exchange of data among vehicles traveling in the same vicinity that offers opportunities for significant safety and mobility improvements.

      Vehicle to Infrastructure (V2I) Communications

      Supports the wireless exchange of critical safety and operational data between vehicles and roadway infrastructure to improve safety, mobility and have positive effects on the environment.

      Vehicle Based Information and Data Acquisition System (VIDAS)

      The platform consists of a Data Acquisition System with the ability to communicate asset condition (sensor) data with high accuracy GPS via multiple communication paths (i.e., cellular, Wi-Fi, and Dedicated Short Range Communications, or DSRC). The VIDAS platform collects: GPS (location, speed, heading), weather sensors (air temperature, barometric pressure, pavement surface condition), controller area network bus (vehicle diagnostic data), 3-axis accelerometry (X, Y, & Z deflection), and acoustic distance measurement (distance from vehicle suspension to road surface).