Commentary: Science should shape OHV policy in national parks

When our first national parks were established more than 110 years ago, automobiles were not allowed inside park boundaries. As thousands of cars began rolling off the assembly lines in the early 20th century, park managers faced a critical question: Should cars be allowed in?Even before the onset of automobile tourism began, conservation pioneers like John Muir knew the car would change the National Park experience. As Muir prophetically wrote, “All signs indicate automobile victory, and