signal_phase_mvmt.schema.json

{
    "primaryKey": "signal_phase_mvmt_id",
    "missingValues": [
        "NaN",
        ""
    ],
    "fieldsMatch": "subset",
    "foreignKeys": [
        {
            "fields": "timing_phase_id",
            "reference": {
                "resource": "signal_timing_phase",
                "fields": "timing_phase_id"
            }
        },
        {
            "fields": "mvmt_id",
            "reference": {
                "resource": "movement",
                "fields": "mvmt_id"
            }
        },
        {
            "fields": "link_id",
            "reference": {
                "resource": "link",
                "fields": "link_id"
            }
        }
    ],
    "fields": [
        {
            "name": "signal_phase_mvmt_id",
            "type": "any",
            "description": "Primary key.",
            "constraints": {
                "required": true
            }
        },
        {
            "name": "timing_phase_id",
            "type": "any",
            "description": "Associated entry in the timing phase table.",
            "constraints": {
                "required": true
            }
        },
        {
            "name": "mvmt_id",
            "type": "any",
            "description": "Foreign key. Either Movement_ID (for phases used by vehicles), or Link_id (for phases used by pedestrians) is required."
        },
        {
            "name": "link_id",
            "type": "any",
            "description": "Foreign key. Either Movement_ID (for phases used by vehicles), or Link_id (for phases used by pedestrians) is required."
        },
        {
            "name": "protection",
            "type": "string",
            "description": "Optional. Indicates whether the phase is protected, permitted, or right turn on red.",
            "categories": [
                "protected",
                "permitted",
                "rtor"
            ]
        }
    ],
    "name": "signal_phase_mvmt.schema.json",
    "description": "Associates Movements and pedestrian Links (e.g., crosswalks) with signal phases. A signal phase may be associated with several movements. A Movement may also run on more than one phase.",
    "$schema": "https://datapackage.org/profiles/2.0/tableschema.json"
}