No more new roads in national parks. After banning private automobiles the second step should be easy. Where paved roads are already in existence they will be reserved for the bicycles and essential in-park services, such as shuttle buses, the trucking of camping gear and concessioners’ supplies. Where dirt roads already exist they too will be reserved for nonmotorized traffic. Plans for new roads can be discarded and in their place a program of trail-building begun, badly needed in some of the parks and in many of the national monuments. In mountainous areas it may be desirable to build
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