A preliminary laboratory investigation of passive railroad crossing signs

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035 ⊔ ⊔ ‡9AGN7550TR
035 ⊔ ⊔ ‡a(OCoLC)29825821
037 ⊔ ⊔ ‡aPB94-184215 ‡bNTIS
040 ⊔ ⊔ ‡aCBT ‡cCBT ‡dIEN-Tr
086 ⊔ ⊔ ‡aTD 2.30:93-153
245 0 2 ‡aA preliminary laboratory investigation of passive railroad crossing signs.
260 ⊔ ⊔ ‡aMcLean, Va. : ‡bU.S. Department of Transportation, Federal Highway Administration ; ‡aSpringfield, Va. : ‡bNational Technical Information Service [distributor, ‡c1993]
300 ⊔ ⊔ ‡aiv, 22 p. : ‡bill. ; ‡c28 cm.
500 ⊔ ⊔ ‡a"December 1993."
500 ⊔ ⊔ ‡aPrepared by Nancy Bridwell (Office of Safety and Traffic Operations R&D) et al.
500 ⊔ ⊔ ‡aCover title.
504 ⊔ ⊔ ‡aBibliography: p. 22.
513 ⊔ ⊔ ‡aFinal report. ‡bMay 1991-May 1992.
538 ⊔ ⊔ ‡aMode of access: Internet.
650 ⊔ 7 ‡aTraffic signs. ‡2tlsh
650 ⊔ 7 ‡aGrade crossings. ‡2tlsh
650 ⊔ 0 ‡aRoads ‡xSafety measures.
650 ⊔ 0 ‡aTraffic signs and signals ‡xEvaluation.
650 ⊔ 0 ‡aRailroad crossings.
700 1 0 ‡aBridwell, Nancy.
710 1 0 ‡aUnited States. ‡bFederal Highway Administration. ‡bOffice of Safety and Traffic Operations Research and Development.
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DAT 1 ⊔ ‡a20130625165036.0 ‡b2023-12-07T18:40:13Z
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