According to the National Highway Traffic Safety Administration (NHTSA), an estimated 32,310 motor vehicle traffic fatalities occurred in 2011.  With snowfall and the potential for icy roads now part of many forecasts, it’s even more important for drivers to be cautious and follow the rules of the road. To remind commuters to avoid hazardous driving behaviors, Cintas Corporation (NASDAQ: CTAS), a leader in first-aid and safety products, has identified the seven worst driving offenders.