Name: TxDOT_Reference_Markers
Display Field: RTE_NM
Type: Feature Layer
Geometry Type: esriGeometryPoint
Description: A statewide point dataset of Texas Reference Marker locations maintained by the Transportation Planning and Programming Division of TxDOT. Reference Markers are extracted from the Geospatial Roadway Inventory Database (GRID), where they are maintained as an asset. Reference Markers are located along all on-system (i.e. state maintained) Texas roadways at 2-mile intervals, with the exception of interstate highways, which have markers at 1-mile intervals. Reference markers are used as a linear referencing system for project planning, asset management, and as a location reference in the field.
Update Frequency: Frequently (monthly or more often)
Source: Geospatial Roadway Inventory Database (GRID)
Security Level: Public
Copyright Text: TxDOT – TPP – Data Management TPP-GIS@txdot.gov
Min. Scale: 0
Max. Scale: 0
Default Visibility: true
Max Record Count: 2000
Supported query Formats: JSON
Use Standardized Queries: True
Extent:
XMin: -11870092.9254522
YMin: 2981785.68389903
XMax: -10410981.9788749
YMax: 4369691.35725805
Spatial Reference: 102100 (3857)
Drawing Info:
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HasZ: false
HasM: false
Has Attachments: false
Has Geometry Properties: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Object ID Field: OBJECTID
Unique ID Field:
IsSystemMaintained : True
Global ID Field:
Type ID Field:
Fields:
- OBJECTID (type: esriFieldTypeOID, alias: ESRI_OID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
- RTE_NM (type: esriFieldTypeString, alias: RTE_NM, SQL Type: sqlTypeOther, length: 17, nullable: true, editable: true)
- RTE_PRFX (type: esriFieldTypeString, alias: RTE_PRFX, SQL Type: sqlTypeOther, length: 2, nullable: true, editable: true)
- RTE_NBR (type: esriFieldTypeString, alias: RTE_NBR, SQL Type: sqlTypeOther, length: 10, nullable: false, editable: true)
- RTE_SFX (type: esriFieldTypeString, alias: RTE_SFX, SQL Type: sqlTypeOther, length: 2, nullable: true, editable: true)
- RDBD_TYPE (type: esriFieldTypeString, alias: RDBD_TYPE, SQL Type: sqlTypeOther, length: 2, nullable: true, editable: true)
- GID (type: esriFieldTypeInteger, alias: GID, SQL Type: sqlTypeOther, nullable: false, editable: true)
- DFO (type: esriFieldTypeDouble, alias: DFO, SQL Type: sqlTypeOther, nullable: true, editable: true)
- ASSET_NM (type: esriFieldTypeString, alias: ASSET_NM, SQL Type: sqlTypeOther, length: 16, nullable: true, editable: true)
- MRKR_NBR (type: esriFieldTypeSmallInteger, alias: MRKR_NBR, SQL Type: sqlTypeOther, nullable: false, editable: true)
- MRKR_SFX (type: esriFieldTypeString, alias: MRKR_SFX, SQL Type: sqlTypeOther, length: 1, nullable: true, editable: true)
- ASSET_ID (type: esriFieldTypeInteger, alias: ASSET_ID, SQL Type: sqlTypeOther, nullable: false, editable: true)
- SYSTEM (type: esriFieldTypeString, alias: SYSTEM, SQL Type: sqlTypeOther, length: 3, nullable: true, editable: true)
- EXT_DATE (type: esriFieldTypeString, alias: EXT_DATE, SQL Type: sqlTypeOther, length: 10, nullable: true, editable: true)
Templates:
Name: TxDOT_Reference_Markers
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:
Attributes:
- ASSET_ID: 0
- RTE_NBR:
- GID: 0
- MRKR_NBR:
Is Data Versioned: false
Has Contingent Values: false
Supports Rollback On Failure Parameter: true
Last Edit Date: 3/1/2024 6:25:08 AM
Schema Last Edit Date: 3/1/2024 6:21:08 AM
Data Last Edit Date: 3/1/2024 6:25:08 AM
Supported Operations:
Query
Query Top Features
Query Analytic
Query Bins
Generate Renderer
Validate SQL
Get Estimates