metre
Not known.
None
UK - Highways England - A29
Data Source: EPSG v11.016 2024-08-31
Datum: Ordnance Survey of Great Britain 1936
Coordinate System: cartesian
Projection: OSGB36_National_Highways_A29H1
Geodetic CRS: OSGB36
PROJCRS["OSGB36_National_Highways_A29H1",
BASEGEOGCRS["OSGB36",
DATUM["Ordnance Survey of Great Britain 1936",
ELLIPSOID["Airy 1830",6377563.396,299.3249646,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4277]],
CONVERSION["OSGB36_National_Highways_A29H1",
METHOD["Transverse Mercator",
ID["EPSG",9807]],
PARAMETER["Latitude of natural origin",49,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",-2,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",0.999365924122903,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",-214949.380087333,
LENGTHUNIT["metre",1],
ID["EPSG",8806]],
PARAMETER["False northing",70983.283656747,
LENGTHUNIT["metre",1],
ID["EPSG",8807]]],
CS[Cartesian,2],
AXIS["(E)",east,
ORDER[1],
LENGTHUNIT["metre",1]],
AXIS["(N)",north,
ORDER[2],
LENGTHUNIT["metre",1]],
USAGE[
SCOPE["Not known."],
AREA["UK - Highways England - A29"],
BBOX[50.9223,1.202,52.0034,1.4094]],
ID["ESRI",112055]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "OSGB36_National_Highways_A29H1",
"base_crs": {
"name": "OSGB36",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "Ordnance Survey of Great Britain 1936",
"ellipsoid": {
"name": "Airy 1830",
"semi_major_axis": 6377563.396,
"inverse_flattening": 299.3249646
}
},
"coordinate_system": {
"subtype": "ellipsoidal",
"axis": [
{
"name": "Geodetic latitude",
"abbreviation": "Lat",
"direction": "north",
"unit": "degree"
},
{
"name": "Geodetic longitude",
"abbreviation": "Lon",
"direction": "east",
"unit": "degree"
}
]
},
"id": {
"authority": "EPSG",
"code": 4277
}
},
"conversion": {
"name": "OSGB36_National_Highways_A29H1",
"method": {
"name": "Transverse Mercator",
"id": {
"authority": "EPSG",
"code": 9807
}
},
"parameters": [
{
"name": "Latitude of natural origin",
"value": 49,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8801
}
},
{
"name": "Longitude of natural origin",
"value": -2,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8802
}
},
{
"name": "Scale factor at natural origin",
"value": 0.999365924122903,
"unit": "unity",
"id": {
"authority": "EPSG",
"code": 8805
}
},
{
"name": "False easting",
"value": -214949.380087333,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8806
}
},
{
"name": "False northing",
"value": 70983.283656747,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8807
}
}
]
},
"coordinate_system": {
"subtype": "Cartesian",
"axis": [
{
"name": "Easting",
"abbreviation": "E",
"direction": "east",
"unit": "metre"
},
{
"name": "Northing",
"abbreviation": "N",
"direction": "north",
"unit": "metre"
}
]
},
"scope": "Not known.",
"area": "UK - Highways England - A29",
"bbox": {
"south_latitude": 50.9223,
"west_longitude": 1.202,
"north_latitude": 52.0034,
"east_longitude": 1.4094
},
"id": {
"authority": "ESRI",
"code": 112055
}
}
{'crs_wkt': 'PROJCRS["OSGB36_National_Highways_A29H1",BASEGEOGCRS["OSGB36",DATUM["Ordnance '
'Survey of Great Britain 1936",ELLIPSOID["Airy '
'1830",6377563.396,299.3249646,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4277]],CONVERSION["OSGB36_National_Highways_A29H1",METHOD["Transverse '
'Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural '
'origin",49,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
'of natural '
'origin",-2,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
'factor at natural '
'origin",0.999365924122903,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
'easting",-214949.380087333,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
'northing",70983.283656747,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Not '
'known."],AREA["UK - Highways England - '
'A29"],BBOX[50.9223,1.202,52.0034,1.4094]],ID["ESRI",112055]]',
'false_easting': -214949.380087333,
'false_northing': 70983.283656747,
'geographic_crs_name': 'OSGB36',
'grid_mapping_name': 'transverse_mercator',
'horizontal_datum_name': 'Ordnance Survey of Great Britain 1936',
'inverse_flattening': 299.3249646,
'latitude_of_projection_origin': 49.0,
'longitude_of_central_meridian': -2.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'OSGB36_National_Highways_A29H1',
'reference_ellipsoid_name': 'Airy 1830',
'scale_factor_at_central_meridian': 0.999365924122903,
'semi_major_axis': 6377563.396,
'semi_minor_axis': 6356256.909237285}