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==Providers==
==Providers==
* [[INRIX]] provides services and mobile applications pertaining to road traffic and driver services. INRIX collects data about roadway speeds from mobile phones, trucks, delivery vans, and other fleet vehicles equipped with [[Automatic Vehicle Location|GPS locator devices]].<ref name=wsj1>{{cite news|url=http://online.wsj.com/article/SB120795092324008845.html?mod=googlenews_wsj|title=New Services Gather Data In an Effort to Track Current And Future Traffic Jams|date=August 14, 2008|publisher=The Wall Street Journal | first=Joseph B. | last=White}}</ref> Data retrieved from consumer cellular GPS-based devices including the [[iPhone]], [[Android (operating system)|Android]], [[BlackBerry]] and [[Windows Phone]] phones, [[Ford SYNC]] and [[Toyota Entune]]. The data collected creates [[Intelligent transportation system|traffic speed information]] for roads across North America (United States,<ref name=inrixcoverage>{{cite web|url=http://www.inrix.com/coverageflow.asp|title=INRIX Flow Coverage|publisher=INRIX, Inc.}}</ref> Canada), as well as much of Europe, South America, and Africa. The company develops and distributes INRIX Traffic, a free mobile application.
* [[NAVTEQ]] provides data used in a wide range of applications, including [[automotive navigation system]]s for many car makers. Most clients use Navteq to provide traffic reports in major metropolitan areas throughout North America. NAVTEQ partners with third-party agencies and companies to provide its services for portable GPS devices made by [[Garmin]], [[Lowrance]], [[NDrive]] and web-based applications such as [[Yahoo! Maps]], [[Bing Maps]], and [[Nokia Maps]].<ref>[http://www.navteq.com/about/findus.html Where You'll Find Us - Navteq.com - Retrieved 5 July 2008]</ref> [[XM Satellite Radio]] and [[Sirius Satellite Radio]] use NAVTEQ data to show traffic information on navigation systems.
* [[NAVTEQ]] provides data used in a wide range of applications, including [[automotive navigation system]]s for many car makers. Most clients use Navteq to provide traffic reports in major metropolitan areas throughout North America. NAVTEQ partners with third-party agencies and companies to provide its services for portable GPS devices made by [[Garmin]], [[Lowrance]], [[NDrive]] and web-based applications such as [[Yahoo! Maps]], [[Bing Maps]], and [[Nokia Maps]].<ref>[http://www.navteq.com/about/findus.html Where You'll Find Us - Navteq.com - Retrieved 5 July 2008]</ref> [[XM Satellite Radio]] and [[Sirius Satellite Radio]] use NAVTEQ data to show traffic information on navigation systems.
* Google Maps and its subsidiary Waze.
* [[Tele Atlas]], a subsidiary of [[TomTom]].<ref>{{cite news|url=http://www.forbes.com/afxnewslimited/feeds/afx/2008/06/27/afx5160878.html |title=TomTom holds 99.29 pct stake of Tele Atlas; Tele Atlas listing to end July 30 |work=[[Thomson Financial|Thomson Financial News]] |publisher=[[Forbes]] |date=June 27, 2008|archiveurl=http://web.archive.org/web/20110603095408/http://www.forbes.com/feeds/afx/2008/06/27/afx5160878.html|archivedate=May 24, 2011}}</ref> delivers digital [[map]]s and other dynamic content for [[navigation]] and [[location-based service]]s, including personal and [[Automotive navigation system|in-car navigation]] systems, and provides data used in a wide range of mobile and [[Web mapping|Internet map]] applications.
* [[Tele Atlas]], a subsidiary of [[TomTom]].<ref>{{cite news|url=http://www.forbes.com/afxnewslimited/feeds/afx/2008/06/27/afx5160878.html |title=TomTom holds 99.29 pct stake of Tele Atlas; Tele Atlas listing to end July 30 |work=[[Thomson Financial|Thomson Financial News]] |publisher=[[Forbes]] |date=June 27, 2008|archiveurl=http://web.archive.org/web/20110603095408/http://www.forbes.com/feeds/afx/2008/06/27/afx5160878.html|archivedate=May 24, 2011}}</ref> delivers digital [[map]]s and other dynamic content for [[navigation]] and [[location-based service]]s, including personal and [[Automotive navigation system|in-car navigation]] systems, and provides data used in a wide range of mobile and [[Web mapping|Internet map]] applications.
* Google Maps and its subsidiary Waze.
* [[INRIX]] provides services and mobile applications pertaining to road traffic and driver services. INRIX collects data about roadway speeds from mobile phones, trucks, delivery vans, and other fleet vehicles equipped with [[Automatic Vehicle Location|GPS locator devices]].<ref name=wsj1>{{cite news|url=http://online.wsj.com/article/SB120795092324008845.html?mod=googlenews_wsj|title=New Services Gather Data In an Effort to Track Current And Future Traffic Jams|date=August 14, 2008|publisher=The Wall Street Journal | first=Joseph B. | last=White}}</ref> Data retrieved from consumer cellular GPS-based devices including the [[iPhone]], [[Android (operating system)|Android]], [[BlackBerry]] and [[Windows Phone]] phones, [[Ford SYNC]] and [[Toyota Entune]]. The data collected creates [[Intelligent transportation system|traffic speed information]] for roads across North America (United States,<ref name=inrixcoverage>{{cite web|url=http://www.inrix.com/coverageflow.asp|title=INRIX Flow Coverage|publisher=INRIX, Inc.}}</ref> Canada), as well as much of Europe, South America, and Africa. The company develops and distributes INRIX Traffic, a free mobile application.


==References==
==References==

Revision as of 22:32, 21 September 2014

Traffic Cam

Traffic reporting is the near real-time distribution of information about road conditions such as traffic congestion, detours, and traffic accidents. The reports help drivers anticipate and avoid traffic problems. In addition to periodic broadcast reports, traffic information can be transmitted to GPS units, smartphones, and personal computers.

Methods of gathering information

  • Google Traffic works by crowdsourcing the GPS information from phone users. By calculating the speed of users along a stretch of road, Google is able to generate a live traffic map.[1]
  • Monitoring police radio frequencies. Some radio stations have agreements with states' highway patrol that permit a direct connection with a law enforcement computer. This methodology enables real-time information gathering of the latest accident reports to states' highway patrol divisions. However, more and more, state departments of transportation have agreements with various technology providers to deliver automated traffic tracking data which is resold and redistributed.
  • Many areas have helicopters to overfly accident scenes and other areas of high traffic volume.
  • traffic cameras
  • Reporting by drivers via telephones or app like Waze.
  • Helicopter, for example by the company Global Traffic Network.

Methods of transmitting information

  • GPS units
  • Smartphones
  • 5-1-1 traffic information phone line, available in many places in North America, or similar dedicated phone service
  • Television
  • Radio via voice RDS, and TA
  • Electronic road signs
  • Web

Providers

References

  1. ^ Subramanian, Karthik; Srikanth, R. (January 21, 2014). "Now, Apps for Live Traffic Feed". The Hindu.
  2. ^ White, Joseph B. (August 14, 2008). "New Services Gather Data In an Effort to Track Current And Future Traffic Jams". The Wall Street Journal.
  3. ^ "INRIX Flow Coverage". INRIX, Inc.
  4. ^ Where You'll Find Us - Navteq.com - Retrieved 5 July 2008
  5. ^ "TomTom holds 99.29 pct stake of Tele Atlas; Tele Atlas listing to end July 30". Thomson Financial News. Forbes. June 27, 2008. Archived from the original on May 24, 2011. {{cite news}}: |archive-date= / |archive-url= timestamp mismatch; June 3, 2011 suggested (help)