Layers:

Layer: ChicagoBusAccess_SpatialJoin (1)


Name: ChicagoBusAccess_SpatialJoin

Display Field: BLOCK_GROUP

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description:

Weighting & Summarizing process:

Default weight for each bus stop set to 1.

• Four stops with no routes associated were weighted at 0.

• Bus stops serving key routes were assigned a weight of 1.5. 54% of the 10,760 stops met this criteria.

• Weights were summed within a block group. For example, a BG with one non-key stop and two key stops would get a weight of 1 + 1.5 + 1.5 = 4.

• Divide by square miles and symbolize by quantile such that the low-density BG’s are lighter and high-density are darker. The 155 BG’s with no stops were intentionally included to highlight areas with low transit access.



Copyright Text: Block groups from census.gov CTA bus stops downloaded from https://data.cityofchicago.org/Transportation/CTA-Bus-Stops-Shapefile/pxug-u72f on 9/28/2023

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -9789449.3716
YMin: 5107884.9485
XMax: -9743143.0093
YMax: 5164429.4207
Spatial Reference: 102100 (3857)


Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID_1

Unique ID Field:

Name : OBJECTID_1

IsSystemMaintained : True


Global ID Field:

Type ID Field:

Fields:
• OBJECTID_1 (type: esriFieldTypeOID, alias: OBJECTID_1, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• Join_Count (type: esriFieldTypeInteger, alias: Join_Count, SQL Type: sqlTypeOther, nullable: true, editable: true)
• BLOCK_GROUP (type: esriFieldTypeString, alias: BLOCK_GROUP, SQL Type: sqlTypeOther, length: 12, nullable: true, editable: true)
• BusStopWt (type: esriFieldTypeSingle, alias: Bus Stop Weight, SQL Type: sqlTypeOther, nullable: true, editable: true)
• SqMi (type: esriFieldTypeSingle, alias: Square Mile, SQL Type: sqlTypeOther, nullable: true, editable: true)
• WeightedStopDensity (type: esriFieldTypeSingle, alias: Weighted Stop Density, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: ChicagoBusAccess_SpatialJoin
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 7/16/2024 1:45:19 PM

Schema Last Edit Date: 7/15/2024 1:54:17 PM

Data Last Edit Date: 7/16/2024 1:45:19 PM