[5][9] There is a reported 80% chance of injury or death on a motorcycle in the event of an accident, compared to about 20% for passenger vehicles.
In contrast, South Dakota, Wisconsin, and Kansas saw the most significant reductions, with fatal motorcycle crashes decreasing by 45%, 28%, and 24%, respectively.
[13] Blunt abdominal trauma can be caused by a motorcycle accident, and can damage the testes and intestines.
[24] By 2014 a rear-ending occurred every 17 seconds on the US road system, and improvements to cars especially in regards to headrests have reduced whiplash and other neck and back injuries related to this.
[26] That year half of all fatal accidents were two-vehicle crashes,[26] However, they also had the highest rate of collision with fixed object between passenger cars, light trucks, and heavy trucks; with a 22% of fatalities being single-vehicle crashes with a fixed object.
One of the difficulties with motorcycles is achieving optimum braking between front and rear wheels during a panic stop without losing control of the vehicle.
[27] Specific design elements of motorcycles that have been under scrutiny include the shape of the top gas tank or items placed on it which can contribute to urogenital or pelvic injuries in a crash.
[28] In cases of a single-rear brake-light, its failure leaves other drivers without notification that the motorcycle is stopping.
[28] Despite the focus on the head and helmet protection, it is possible for handlebars to castrate males in accident and damage done to the lower spine can leave men alive but paralyzed.
[12] Motorcycle accidents are risk factor for injuries to testicles, delicate reproductive organs that are contained in thin skinned sac outside the body in males.
[15] Motorcycle accidents can cause genitourinary trauma which may result in pelvic pain and various other symptoms depending on the nature of the damage.
[29] A broken pelvis can lead to mobility problems due to the bone's central location.
[30] Automotive and motorcycle accidents together are the leading cause of spinal cord injuries, about 35% percent.
[32] When an accident does happen, there is a reported 80% chance of injury or death on a motorcycle in comparison to about 20% for passenger vehicles.
[37] Compared to passenger vehicles, motorcycles had 28 times the number of fatalities as cars per mile driven in 2016.
[5] The breakdown in deaths by type of bike in 2013 is as follows: Cruiser 1,281, Touring 578, Sport-touring 22, Sport 269, Supersport 945, off-road 42, other or unknown 889.