Name: EngineeringStation_2024

Display Field:

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description:

Engineering stations are used as calibration points when building projects, allowing for engineering quality accuracy when entering project information into the Arizona Transportation Information System (ATIS), which is ADOT's GIS system of record for roadway data. They are measured in feet from the beginning of a roadway, or milepost zero of the cardinal direction roadway. Note: cardinal direction refers to the direction of increasing mileposts.

Engineering stations are reviewed and updated with each new roadway construction project. To keep stations as consistent as possible along a roadway, station equations may be used to convert stationing from one measurement value to another on the same alignment.

Reported Extent: Engineering stations are recorded from construction plans for all projects that have completed and are open-to-traffic.

Copyright Text:

Min. Scale: 1876896

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -114.97729879189
YMin: 31.3026374669946
XMax: -108.770678392569
YMax: 37.1358460312967
Spatial Reference: GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433],AUTHORITY["EPSG",4326]]

Drawing Info:

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HasZ: true

HasM: true

Has Attachments: false

Has Geometry Properties: false

HTML Popup Type: esriServerHTMLPopupTypeNone

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True

Global ID Field:

Type ID Field:

Fields:

• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• RouteId (type: esriFieldTypeString, alias: RouteId, SQL Type: sqlTypeOther, length: 32, nullable: true, editable: true)
• AheadStation (type: esriFieldTypeString, alias: AheadStation, SQL Type: sqlTypeOther, length: 15, nullable: true, editable: true)
• BackStation (type: esriFieldTypeString, alias: BackStation, SQL Type: sqlTypeOther, length: 11, nullable: true, editable: true)
• Direction (type: esriFieldTypeSmallInteger, alias: Direction, SQL Type: sqlTypeOther, nullable: true, editable: true)
• EngStaComment (type: esriFieldTypeString, alias: EngStaComment, SQL Type: sqlTypeOther, length: 134, nullable: true, editable: true)
• GAF (type: esriFieldTypeDouble, alias: GAF, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Measure (type: esriFieldTypeDouble, alias: Measure, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Offset (type: esriFieldTypeDouble, alias: Offset, SQL Type: sqlTypeOther, nullable: true, editable: true)
• PlacedBy (type: esriFieldTypeSmallInteger, alias: PlacedBy, SQL Type: sqlTypeOther, nullable: true, editable: true)
• PlacedBy_Value (type: esriFieldTypeString, alias: PlacedBy_Value, SQL Type: sqlTypeOther, length: 35, nullable: true, editable: true)
• TRACS (type: esriFieldTypeString, alias: TRACS, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
• a00rteESReferent (type: esriFieldTypeString, alias: a00rteESReferent, SQL Type: sqlTypeOther, length: 32, nullable: true, editable: true)

Templates:

Name: New Feature
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:

Attributes:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 7/22/2026 10:35:34 PM

Schema Last Edit Date: 7/22/2026 10:35:23 PM

Data Last Edit Date: 7/22/2026 10:35:23 PM

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