HS2 Survey Grid + HS2-VRF height

Area of use

United Kingdom (UK) - HS2 phases 1 and 2a railway corridor from London to Birmingham, Lichfield and Crewe.

+proj=tmerc +lat_0=52.3 +lon_0=-1.5 +k=1 +x_0=198873.0046 +y_0=375064.3871 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs

COMPD_CS["HS2 Survey Grid + HS2-VRF height",PROJCS["HS2 Survey Grid",GEOGCS["HS2-IRF",DATUM["HS2_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1264"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9299"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",52.3],PARAMETER["central_meridian",-1.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",198873.0046],PARAMETER["false_northing",375064.3871],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9300"]],VERT_CS["HS2-VRF height",VERT_DATUM["HS2 Vertical Reference Frame",2005,AUTHORITY["EPSG","1265"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9303"]],AUTHORITY["EPSG","9306"]]