EPSG
HS2 Limited.
2020-07-01
Engineering survey for HS2 project phases 1 and 2a.
After introduction of OSNet v2009 CORS, OSTN15 and the OSGM15 geoid model, the HS2 VRF is maintained equivalent to OSNet v2001 and OSGM02 through HS2GM15 (code 9304).
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "HS2 Vertical Reference Frame", "scope": "Engineering survey for HS2 project phases 1 and 2a.", "area": "United Kingdom (UK) - HS2 phases 1 and 2a railway corridor from London to Birmingham, Lichfield and Crewe.", "bbox": { "south_latitude": 51.45, "west_longitude": -2.75, "north_latitude": 53.3, "east_longitude": 0 }, "id": { "authority": "EPSG", "code": 1265 } }