According to the U.S. Department of Transportation, about half of all motor vehicle accidents are the result of driver fatigue. Some statistical agencies estimate that a quarter (25%) of all motor vehicle fatalities are due to people falling asleep at the wheel of their car. People who are planning a long road trip this spring or summer will know that, at some point, they’ll have to grapple with the fatigue that inevitably occurs when driving for many hours in a row. If not managed, this fatigue and sleepiness can become a real problem and potentially dangerous. Here are 10 tips for avoiding, or combating, driver fatigue.