The present book "Simplification of Highway Traffic" is more or less a revision and rearrangement of selected matter contained in the other four books with some articles, papers and drawings which have not appeared before. It also gives reasons why it is desirable to avoid certain things, the most important being a detailed traffic ordinance which tends to confuse and prevent standardization and, second, the -use of mechanical traffic signal lights operated from a distant point from which the operator cannot see the traffic which he is attempting to control.
Regulation of street traffic was unknown in New York up to January, 1900. Although traffic was much less then than now blockades were frequent through...
On January 29, 2009, the RAND Corporation hosted a panel discussion with three former U.S. secretaries of transportation. This wide-ranging discussion...
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United States Department of Transportation
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