TMC Variable Speed Limits Functional Object
Description
'TMC Variable Speed Limits' provides center monitoring and control of variable speed limits systems. It monitors data on traffic and environmental conditions collected from sensors along the roadway. Based on the measured data, it calculates and sets suitable speed limits usually by lane. It controls equipment that posts the current speed limits and displays additional information such as basic safety rules and current traffic information to drivers.
Included In
Functional Requirements
| ID | Requirement | User Defined |
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| 1 | The center shall monitor data on traffic and environmental conditions collected from sensors along the roadway. | False |
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| 2 | Based on the measured data, the center shall calculate and set suitable speed limits by lane. | False |
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| 3 | The center shall control field equipment that posts the current speed limits and displays additional information such as basic safety rules and current traffic information to drivers. | False |
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| 4 | The center shall monitor the operational status of the variable speed limit equipment, including fault reports. | False |
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| 5 | The center shall provide center personnel current system status and respond to control data from center personnel regarding variable speed limits. | False |
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| 6 | The center shall provide the current speed limits and additional information such as basic safety rules and current traffic information to drivers. | False |
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