Traffic sign system that uses the national transportation communications for intelligent systems protocol
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United States of America Patent
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May 21, 2013
Grant Date -
May 27, 2010
app pub date -
Oct 8, 2009
filing date -
Nov 6, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is directed to a traffic sign system that has a number of information centers. A communication network provides a communication path between the information centers. The communication network is National Transportation Communications for Intelligent Transportation Systems Protocol (NTCIP) compliant. A sign controller is in communication with the information centers through the communication network. A first sign has a first address with a local control link to the sign controller. The local control link is not National Transportation Communications for Intelligent Transportation Systems Protocol compliant. A second sign has a second address with a second local control link to the sign controller. The second local control link is not National Transportation Communications for Intelligent Transportation Systems Protocol compliant.
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