Traffic regulation

Definition and stakes

Portrait of Harlan F. Stone Harlan F. Stone,  Maurer v. Hamilton — Opinion of the Court

“ Apart from regulations of interstate motor traffic having commercial aims and involving routes, schedules, rates and the like, any regulation on a national scale, whatever its extent, has an intimate and vital relation to the conservation of highways which belong to the states, and to their safe and convenient use by the general public in both interstate and intrastate traffic. ”
Source: Wikisource

California Department of Public Works,  California Highways and Public Works Journal

“ Proper regulation and control of traffic are accordingly as essential to a GOOD highway system as are proper plans for its building and the use of proper materials in its construction.
Engineers and builders are the men behind the line in the battle for good roads. Maintenance forces and traffic officers are the men on the firing line. The maintenance engineers must see that roads once built are maintained in adequate condition for travel. Traffic officers must see that travel uses these roads properly.
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Source: Wikisource

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