signal_detector

signal_detector

• description A signal detector is associated with a controller, a phase and a group of lanes.
• path signal_detector.csv
• schema
  • missingValues ['NaN', '']
  • primaryKey ['detector_id']
  • foreignKeys
  • [1]
    • fields ['controller_id']
    • reference
    • resource signal_controller
    • fields ['controller_id']
  • [2]
    • fields ['link_id']
    • reference
    • resource link
    • fields ['link_id']
  • [3]
    • fields ['ref_node_id']
    • reference
    • resource node
    • fields ['node_id']
  • fieldsMatch subset

name	type	description	constraints
detector_id	any	Primary key.	{'required': True}
controller_id	any	Required. Foreign key to signal_controller table.	{'required': True}
signal_phase_num	integer	Required. Number of the associated phase.	{'required': True}
link_id	any	Foreign key. The link covered by the detector.	{'required': True}
start_lane	integer	Left-most lane covered by the detector.	{'required': True}
end_lane	integer	Right-most lane covered by the detector (blank if only one lane).
ref_node_id	any	The detector is on the approach to this node.	{'required': True}
det_zone_lr	number	Required. Distance from from the stop bar to detector in short_length units.	{'required': True}
det_zone_front	number	Optional. Linear reference of front of detection zone in short_length units.
det_zone_back	number	Optional. Linear reference of back of detection zone in short_length units.
det_type	string	Optional. Type of detector.