Login | Get Token
Los Angeles County DPW Directory
> services > cityworks > cityworks_osd (FeatureServer) > Traffic Signs 		Help | API Reference
EGISAGSDPW04
JSON

Layer: Traffic Signs (ID: 0)

View In:   ArcGIS Online Map Viewer

Name: Traffic Signs

Display Field: CREATIONDATE

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: This dataset represents the locations and attributes of Department of Public Works (DPW) traffic signs maintained by the Operational Services Division within Los Angeles County jurisdiction. Traffic signs provide essential regulatory, warning, and guidance information to support safe and efficient travel on roadways. This layer was developed to support asset management, field operations, and integration with DPW ’s Asset Management System (Trimble Unity Maintain).Field Definitions / Attribute Overview:This dataset contains key attribute fields describing each asset. Notable/Unique fields include:CW_ASSETID: Active unique identifier used within the Trimble Unity asset-management system. ASSETNUM: Unique identifier assigned to each traffic sign asset in the inventory previously utilized in DPW’s old asset management system (Deprecated)SGN_CODE: Sign code based off the CA MUTCD representing the specific type and category of traffic sign.SGN_DSG: Additional description of the traffic sign, typically the posted speed or direction of an arrow.SGN_DIR: Indicates the direction the sign faces.STATUS: Describes the current status of the sign.LOCATION: Physical location of the traffic sign per street and cross street.SGN_STATUS: Operation condition of the sign (Deprecated).STREET: The street where the sign is installed.XSTREET: The cross street closest to the sign’s location in the direction of traffic.LR1: The direction of the sign in reference to the primary street.LR2: The direction of the sign in reference to the cross street.DIST: The distance from the cross street the sign is located at.REPLACED: Indicates the date the sign was replaced.ACTION: Indicates action for traffic sign; added 10/19/26 per Ticket #270843Last updated or update frequency: 2026

Copyright Text: Contact #1 Name: Haig Minasian Organization: Los Angeles County Public Works, Operational Services Division Position: Senior GIS Analyst Role: Point of Contact Email: hminasian@dpw.lacounty.gov Address: 900 s Fremont Ave City: Alhambra State: CA Postal Code: 91803 Phone: (626) 458-7104 Contact #2 Name: Keith Shimizu Organization: Los Angeles County Public Works, Operational Services Division Position: Principal Electrical Engineering Assistant Role: Point of Contact Email: kshimizu@dpw.lacounty.gov Address: 900 s Fremont Ave City: Alhambra State: CA Postal Code: 91803 Phone: (626) 458-1700

Default Visibility: false

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 50000.0

Max Scale: 0.0

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Supports Datum Transformation: true

Extent:
Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: STATUS

Fields: Types:
Capabilities: Query,ChangeTracking

Sync Can Return Changes: true

Is Data Versioned: false

Supports Rollback On Failure: false

Supports ApplyEdits With Global Ids: true

Supports ApplyEdits By Upload Id: true

Edit Fields Info:
Supports Query With Historic Moment: true

Supports Coordinates Quantization: true

Supported Operations:   Query   Query Attachments   Query Analytic   Calculate   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata