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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Low-Cost Warning Device Industry Assessment

Document Series:
Research Results
Author:
  • Adrian Hellman and Marco daSilva
Report Number
RR11-26
Office
RDI-23
Keywords:
Low-cost warning devices, passive grade crossing, solar powered, advance warning sign
Document
RR_Low_Cost_Warning_Devices_final.pdf (390.77 KB)

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Last updated: Thursday, December 1, 2011