Parent Layer: Other Data

Name: Emergency Transportation Routes

Display Field: SegmentID

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Portland Urban Area Emergency Transportation Routes (2005) are generalized into a polygon-based segment/node model, overlain on permanent ground deformation data from a major earthquake, and categorized based on the maximum amount of ground failure the segment may experience at any portion along its length. The model assumes the segment is impassable if any portion of the road segment experiences ground failure. Ground failure is not guaranteed, however, as the Hazus ground failure model provides both an amount of ground failure (lateral spread) and a probability of failure.

Copyright Text: This work was funded on behalf of Regional Disaster Preparedness Organization with an Urban Area Security Initiative grant for the Portland Metropolitan Region.

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Supported Query Formats: JSON, geoJSON

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XMin: -1.3732579692346241E7
YMin: 5628662.567541181
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Spatial Reference: 102100  (3857)

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HasZ: false

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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• SegmentID ( type: esriFieldTypeSmallInteger, alias: SegmentID )
• Shape_Length ( type: esriFieldTypeDouble, alias: Shape_Length )
• Shape_Area ( type: esriFieldTypeDouble, alias: Shape_Area )
• CSZ_Wet_Class ( type: esriFieldTypeSmallInteger, alias: CSZ_Wet_Class , Coded Values: [0: Less than 50 cm] , [1: 50 to 100 cm] , [2: 100 to 200 cm] , ...1 more... )
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• PHF_Dry_Class ( type: esriFieldTypeSmallInteger, alias: PHF_Dry_Class , Coded Values: [0: Less than 50 cm] , [1: 50 to 100 cm] , [2: 100 to 200 cm] , ...1 more... )

Supported Operations:   Query   Generate Renderer   Return Updates

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