Instrumentation and photographic techniques for determining displacement, velocity change, and deceleration of vehicles with break-away sign structures

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245 0 0 ‡aInstrumentation and photographic techniques for determining displacement, velocity change, and deceleration of vehicles with break-away sign structures / ‡cby Robert M. Olson ; Texas Transportation Institute, Texas A&M University.
260 ‡aCollege Station, Tex. : ‡bThe Institute, ‡c1966.
300 ‡aviii, [119] p. : ‡bill. ; ‡c28 cm.
490 0 ‡aResearch project no. 2-5-63-68
490 0 ‡aResearch report no. 68-3
500 ‡aPrepared for Texas Highway Department in cooperation with U.S. Department of Commerce Bureau of Public Roads.
538 ‡aMode of access: Internet.
650 7 ‡aTraffic signs ‡xSupports. ‡2tlsh
700 1 ‡aOlson, Robert M.
710 1 ‡aUnited States. ‡bBureau of Public Roads.
710 1 ‡aTexas. ‡bHighway Dept.
710 2 ‡aTexas Transportation Institute.
CID ‡a011238321
DAT 0 ‡a20090402154415.0 ‡b20110927000000.0
DAT 1 ‡a20120815043946.0 ‡b2023-09-10T17:59:31Z
DAT 2 ‡a2023-09-10T17:30:02Z
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