In the trials the SCRIM vehicles are required to undertake surveys on a number of sites having different levels of skid resistance and the data is compared to identify outliers.
Yn y treialon, ma'n ofynnol i'r cerbydau SCRIM gynnal arolygon ar nifer o safleoedd sydd â gwahanol lefelau o ymwrthedd i sgid ac mae'r data'n cael ei gymharu i nodi'r allanolynnau.