Survey made to determine existing best practice in all American cities having population of 50,000 or more and in some selected smaller cities; report contains 86 recommendations for street traffic signs, street traffic control signals, street traffic markings and safety zones; specifications for sign materials; U. S. Bureau of Standards specifications for paint.
Street traffic signs, signals and markings
Am. Eng. Council -- Report
1929
54 pages
Report
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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