Name: SA National Roads

Display Field: ROADNO

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description: Data on road surface type, condition and traffic volume were compiled by Africon Limited for the AICD study led by the World Bank. Data from the South African National Roads Agency (SANRAL) were reviewed and transport experts were consulted in an effort to derive estimates for all of the primary and secondary road network. The following attributes were collected: LINKNO: ID of the link , ROADNO: ID of the road , START_KM: Start of link (0) END_KM: End of link LENGTHKM: Length of link (km) , STARTDESC: Name of the locality where the link starts , ENDDESC: Name of the locality where the link finishes , CLASS: World Bank functional classification , REGION: Name of the 1st level of administrative division (province) , WIDTH: Width of road (m) , LANES: Number of lanes , SURFTYPE: Classification of surface type (paved or unpaved) , CONDITION: Description of road condition , AADT: Estimated average annual daily traffic Attribute values may be unknown (or value = 0) for any of the descriptive characteristics.

Service Item Id: 1c5daf950dd44bceaa8d79a7537eef7d

Copyright Text:

Default Visibility: true

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Type ID Field: null

Fields:

• FID ( type: esriFieldTypeOID, alias: FID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• LINKNO ( type: esriFieldTypeInteger, alias: LINKNO )
• ROADNO ( type: esriFieldTypeString, alias: ROADNO, length: 20 )
• START_KM ( type: esriFieldTypeInteger, alias: START_KM )
• END_KM ( type: esriFieldTypeInteger, alias: END_KM )
• LENGTH ( type: esriFieldTypeDouble, alias: LENGTH )
• STARTDESC ( type: esriFieldTypeString, alias: STARTDESC, length: 50 )
• ENDDESC ( type: esriFieldTypeString, alias: ENDDESC, length: 50 )
• CLASS ( type: esriFieldTypeString, alias: CLASS, length: 20 )
• REGION ( type: esriFieldTypeString, alias: REGION, length: 30 )
• WIDTH ( type: esriFieldTypeDouble, alias: WIDTH )
• LANES ( type: esriFieldTypeInteger, alias: LANES )
• SURFTYPE ( type: esriFieldTypeString, alias: SURFTYPE, length: 30 )
• PAVETYPE ( type: esriFieldTypeString, alias: PAVETYPE, length: 20 )
• CONDITION ( type: esriFieldTypeString, alias: CONDITION, length: 30 )
• AADT ( type: esriFieldTypeInteger, alias: AADT )
• iso3 ( type: esriFieldTypeString, alias: iso3, length: 50 )
• AICD_REG ( type: esriFieldTypeSmallInteger, alias: AICD_REG )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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