In 2012, 3,328 people were killed in cell phone crashes involving a distracted driver, compared to 3,360 in 2011. Another 421,000 people were injured in crashes crashes involving a distracted driver in 2012, a 9 percent increase from the 387,000 people injured in 2011. 31 percent of U.S. drivers ages 18 to 64 reported reading or sending text messages or e -mail while driving at least once in the 30 days prior to the investigation (Textinganddrivingsafety Ass). People always think that accident will happen to others due to lack of driving skill or high speed. People who text and drive think they have the ability to text and operate the car at the same time, but in reality they are not aware of their ability and human perception that can be changed by distractions such as cell phones. The perception time of the human brain; it is the time it takes for the driver to see the danger and for the brain to request an immediate reaction to avoid the danger. This perception time can last from 0.3 to 0.5 seconds. When the eyes see danger and the brain realizes the danger, then the human reaction occurs. The reaction time can vary from 0.3 to 0.7 seconds. Human perception and reaction times can be affected by factors such as alcohol, drugs and especially cell phones. The perception and reaction time can be up to 3 or 4 seconds while someone is texting or calling. 4 seconds a 60