Name: Master Plan of Highways

Display Field: NAME_ALF

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description: The Master Plan of Highways was originally developed by the County of Los Angeles Department of Public Works (DPW); it designates roadways in Los Angeles County by their planned capacity. Categories include major highway, secondary highway, limited secondary highway, parkway, and expresswayUPDATE HISTORY:12/27/12 - for latest updates reflected in the Santa Clarita Valley Area Plan--went into effect on this day.6/17/15 - for latest updated reflected in the Antelope Valley Area Plan, adopted by the Board of Supervisors on 6/16/15.11/5/15 - for latest updates reflected in the General Plan 2035, adopted by the Board of Supervisors on 10/6/15 - effective on this day.1/10/17 - for removal of Limited Secondary Highway near Castaic along Sloan Canyon. Adopted by BOS on 12/20/16 (link to BOS resolution is here).5/30/19 - for the adoption of the Centennial Specific Plan (which became effective on this day). A link to the BOS resolution is here.4/9/25 - for the adoption of the South Bay Area Plan, removal of Del Amo Blvd between Normandie Ave and Vermont Ave.

Copyright Text: Los Angeles County Department of Regional Planning GIS Section

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Extent:

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YMin: 1715873.7496319413
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Spatial Reference: 102645  (2229)

Drawing Info:

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UniqueValueInfos:
• Value: EXPRESSWAY - EXISTING
  Label: EXPRESSWAY - EXISTING
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• Value: EXPRESSWAY - PROPOSED
  Label: EXPRESSWAY - PROPOSED
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• Value: LIMITED SECONDARY HIGHWAY - EXISTING
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• Value: LIMITED SECONDARY HIGHWAY - PROPOSED
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• Value: PARKWAY - EXISTING
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• Value: PARKWAY - PROPOSED
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• Value: MAJOR HIGHWAY - EXISTING (8 lanes)
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• Value: SECONDARY HIGHWAY - EXISTING
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Labeling Info:

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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• TYPE ( type: esriFieldTypeSmallInteger, alias: TYPE )
• NAMEA_ALF ( type: esriFieldTypeString, alias: Road Name, length: 52 )
• NUMBER ( type: esriFieldTypeString, alias: Route, length: 5 )
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Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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