Roadway Transit Signal Control Functional Object
Description
'Roadway Transit Signal Control' includes the field elements that manage transit signals that are used when transit lanes or transit vehicles in mixed–traffic lanes have exclusive phases, including on transit lanes, transitways, or when a signal is used to give the transit vehicle a queue jump in mixed–traffic. These signals are visually distinct and positioned away from standard traffic control signal indications so they are not acted on by other road users. It includes the traffic signal controllers, detectors, conflict monitors, transit signal heads, and other ancillary equipment that supports transit signal control on mixed use alignments. The transit signal control may be separate and interconnected with the intersection control or integrated with overall intersection control (see Roadway Signal Control).
Included In
Functional Requirements
| ID | Requirement | User Defined |
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| 1 | The field element shall receive track status and arriving train information from light rail wayside equipment. This may include the current status of the tracks and light rail vehicle location and expected time of arrival at the intersection. | False |
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| 2 | The field element shall coordinate light rail arrival information with the traffic signal controller. | False |
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| 3 | The field element shall coordinate light rail arrival information with adjacent intersections. | False |
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| 4 | The field element shall control transit signals granting light rail access to the intersection, using signals that are visually distinct from standard traffic control signals. | False |
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