Crash tests of small highway sign supports.
|Other Authors:||Effenberger, Michael J. , Walker, Kenneth C. , Ross, Hayes E.|
Washington : Federal Highway Administration Offices of Research & Development Implementation Division, 1980.
Traffic signs > Supports.
Distributed by NTIS.
Prepared for U.S. Federal Highway Administration Office of Development Implementation Division ; DOT-FH-11-8821.
Prepared by Hayes E. Ross, Jr., Kenneth C. Walker and Michael J. Effenberger ; Texas A&M University Texas Transportation Institute Texas A&M Research Foundation.
xv, 295 p. :
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- Full view (original from Northwestern University)