When driving we all see road traffic signs on the road which are placed in strategic locations to warn us of any upcoming hazards. These signs can be to warn drivers of sharp corners or to advise of entering school areas to reduce speed and so forth. Not everyody pays attentions to these signs and for this very reason create a risk for other drivers as well.
Man drivers chance their luck when out on the roads and develop some overconfidence. When times are not well then even the smallest mistake will lead to a major incident. An investigation in Canada was launched when a single car incident led to the death of 3 Punjabi people. This video contains some information which reveals the cause of the incident.