GEOGCRS["EWR3-IRF",
    DATUM["EWR3 Intermediate Reference Frame",
        ELLIPSOID["GRS 1980",6378137,298.257222101,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Engineering survey and topographic mapping for railway applications."],
        AREA["United Kingdom (UK) - on or related to the East West Rail (Phases 2 and 3) route from Oxford to Cambridge via Bicester, Bletchley and Bedford, including the route from Claydon Junction to Aylesbury and Princes Risborough."],
        BBOX[51.7,-1.43,52.33,0.27]],
    ID["EPSG",10849],
    REMARK["Intermediate CRS created in 2024 to assist the emulation of the ETRS89 / EWR3 SnakeGrid projected CRS through transformation ETRS89-GBR [OSNet v2009] to EWR3-IRF (1) (code 10850) used in conjunction with the EWR3-TM map projection (code 9765). The EWR3 SnakeGrid is an extension of the EWR2 SnakeGrid, and between Oxford and Bedford the two grids are identical. "]]