Association rules for cluster 4 indicate that multi-vehicular and fixed object/divider hit
accidents are mostly occurred at night time on highway roads. Intersections on highways
are another road feature for such type of accidents. Mostly the areas with no light condition
are more accident prone in night time and results in critical accidents. Rules show
that curve at agriculture land and forest area and intersection at highways are more dangerous
at night time as it is difficult for a speedy vehicle to judge the vehicles from opposite
side and fixed object to avoid collision. Some rules revealed that these accidents also