_id geo_point_2d   geo_shape   latitude   longitude   road_name   installed_year   range   type   date   easting   northing   projection   postcode   pc85th_kmh   volume_12h   volume_24h   comm_vhcl   peakvol   gisfid   colspacer
geo_point_2d geo_shape latitude longitude road_name installed_year range type date easting northing projection postcode pc85th_kmh volume_12h volume_24h comm_vhcl peakvol gisfid