metre
Engineering survey for HS2 project phases 1 and 2a.
None
United Kingdom (UK) - HS2 phases 1 and 2a railway corridor from London to Birmingham, Lichfield and Crewe.
Data Source: EPSG v11.016 2024-08-31
Datum: HS2 Vertical Reference Frame
Coordinate System: vertical
Projection: Undefined
Geodetic CRS: Undefined
VERTCRS["HS2-VRF height",
VDATUM["HS2 Vertical Reference Frame"],
CS[vertical,1],
AXIS["gravity-related height (H)",up,
LENGTHUNIT["metre",1]],
USAGE[
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[51.45,-2.75,53.3,0]],
ID["EPSG",9303]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "VerticalCRS",
"name": "HS2-VRF height",
"datum": {
"type": "VerticalReferenceFrame",
"name": "HS2 Vertical Reference Frame"
},
"coordinate_system": {
"subtype": "vertical",
"axis": [
{
"name": "Gravity-related height",
"abbreviation": "H",
"direction": "up",
"unit": "metre"
}
]
},
"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": 9303
}
}
{'crs_wkt': 'VERTCRS["HS2-VRF height",VDATUM["HS2 Vertical Reference '
'Frame"],CS[vertical,1],AXIS["gravity-related height '
'(H)",up,LENGTHUNIT["metre",1]],USAGE[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[51.45,-2.75,53.3,0]],ID["EPSG",9303]]',
'geopotential_datum_name': 'HS2 Vertical Reference Frame'}