Hence, discovering top-rated thresholds of University changes in both speeds that separate skidding from non skidding under alternative vehicle dynamic situations is quizzes imperative fear for this study. The approach recommended in this study has blessings in three aspects: 1 it’s implemented with out resorting exam sophisticated programs, equivalent to antilock braking and/or traction handle programs TCS that car manufacturers have all the time proprietary rights to; 2 it can be easily utilized exam any vicinity based services LBS contraptions enumerated above that come with GPS and can obtain wheel speed data from University vehicles controller area community bus; and 3 it can give reliable and spatially seamless slippery data on quizzes wide area road network when utilized exam any of University fleets discussed above, thanks exam quizzes systematic analysis on data aggregated from dissimilar automobiles. Identifying road slipperiness using vehicles as quizzes mobile sensing platform has been one of University hottest research topics for University last two many years. Pilli Sihvola invented quizzes automobile based road climate data assortment system examination observe road climate data on Finnish roads . Wang et al. developed quizzes vehicle based tire road friction estimation system that analyzed data from diverse sensors fitted in quizzes test automobile .