PROJCS["OSGB36_National_Highways_B18H1",GEOGCS["GCS_OSGB_1936",DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",-58018.9429571512],PARAMETER["False_Northing",111036.252900755],PARAMETER["Central_Meridian",-2.0],PARAMETER["Scale_Factor",0.99992774418376],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]