a challenge embraced by several generations of highway engineers. But even more challenges were forthcoming. In the 1960s, BPR began to focus increasingly on environmental concerns and on creating urban road networks that tied into other land-use plans and transportation options, including mass transit. By 1966, the changing times prompted legislation to establish the U.S. Department of Transportation (DOT). When the new department opened in April 1967, BPR, renamed the Federal Highway Adm
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