1. A dynamic load estimation system for estimating a vehicle load comprising: at least one tire supporting a vehicle; tire sensor means mounted to the one tire, the sensor means operable to measure a tire deformation of the one tire and generate a load-indicative raw signal conveying measured deformation data; load estimation means for determining an unfiltered load estimation on the tire from the load-indicative raw signal; road roughness estimation means for determining a road roughness estimation; filtering means for filtering the unfiltered load estimation by the road roughness estimation; and load estimation means for determining a filtered load estimation on the one tire from the filtering means.