Crashworthy Work-Zone Traffic Control Devices (2006) / Chapter Skim
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5CHAPTER 3 STATE OF THE PRACTICE 3.1 RECENT RESEARCH AND TESTING After the publication of NCHRP Report 350 and its subsequent adoption by FHWA, TxDOT was one of the first agencies to assess the impact performance of various work-zone traffic control devices. These TxDOT-sponsored research projects were administered by TxDOT's Traffic Operations Division through a partnering relationship with the Associated General Contractors (AGC)
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6wood materials. By replacing the 102-mm × 102-mm (4-in × 4-in)
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7isfactory for some sign substrates and unsatisfactory for others.
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(1) a separate battery pack located at the base of the device with only the lens assembly attached to the top of the barricade or (2)
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