This file contains the digital vector boundaries for Westminster Parliamentary Constituencies in the UK as at December 2016. The boundaries available are:Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands);Full resolution - clipped to the coastline (Mean High Water mark);Generalised (20m) - clipped to the coastline (Mean High Water mark);Super generalised (200m) - clipped to the coastline (Mean High Water mark) andUltra generalised (500m) - clipped to the coastline (Mean High Water mark). Contains both Ordnance Survey and ONS Intellectual Property Rights. Download File SizesFull resolution - extent of the realm (45 MB)Full resolution - clipped to the coastline (49 MB)Generalised (20m) - clipped to the coastline (6 MB)Super generalised (200m) - clipped to the coastline (1 MB)Ultra generalised (500m) - clipped to the coastline (352 KB).REST URL of ArcGIS for INSPIRE View Service –https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/UK_Westminster_Parliamentary_Consituencies_December_2016_Boundaries/MapServer/exts/InspireView REST URL of ArcGIS for INSPIRE Feature Download Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/UK_Westminster_Parliamentary_Consituencies_December_2016_Boundaries/MapServer/exts/InspireFeatureDownload REST URL of Feature Access Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/UK_Westminster_Parliamentary_Consituencies_December_2016_Boundaries/FeatureServer