Semi rear end and semi head on crash are two of the most common tractor trailer crashes on the roadways of the country today. These crashes range from mild to severe and can cause serious bodily harm to individuals involved. The NHTSA released statistics detailing how 5,000 people are killed in big rig crashes each year and some 130,000 people are injured in big rig accidents on a yearly basis as well. Rear end and head on collisions involving big rigs and smaller vehicles are caused by a multitude of different things. Collision repair is another costly part of such accidents that can amount to thousands of dollars.How These Accidents HappenBig rigs and semis are common sights on the roads of the country, accounting for almost 3 percent of traffic accidents on a yearly basis. Some of the m