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Use of Smart Work Zone Technologies for Improving Work Zone Safety (2022) / Chapter Skim
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Pages 293-296

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From page 293...
... Region Statistic (1 = most frequently used technology, 2 = second most frequently used technology, etc.) Northeast Standard Deviation 0.38 1.03 1.41 0.58 2.08 1.41 - 2.83 1.41 Northeast Number of Responses 7 6 2 4 4 2 0 2 2 Northwest Average 1.00 2.00 - - - 1.00 - 3.00 1.00 Northwest Standard Deviation 0.00 - - - - - - - - Northwest Number of Responses 2 1 0 0 0 1 0 1 1 South Average 1.17 2.33 4.00 - 2.67 3.00 - - - South Standard Deviation 0.41 1.03 1.41 - 1.15 0.00 - - - South Number of Responses 6 6 2 0 3 2 0 0 0 Southeast Average 1.60 3.67 5.00 1.50 2.00 2.00 3.00 2.00 - Southeast Standard Deviation 1.34 2.08 - 0.71 - 0.00 - 1.41 - Southeast Number of Responses 5 3 1 2 1 2 1 2 0 Southwest Average 1.67 1.00 2.50 1.00 3.50 4.00 4.00 - - Southwest Standard Deviation 0.58 - 0.71 - 0.71 - 1.41 - - Southwest Number of Responses 3 1 2 1 2 1 2 0 0 West Average 1.00 3.00 4.00 3.00 - 2.00 - - - West Standard Deviation 0.00 - 1.41 1.41 - - - - - West Number of Responses 2 1 2 2 0 1 0 0 0 Traveler Inform ation System s Q ueue W arning D ynam ic Lane M erge D ynam ic (Variable)
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From page 294...
... Region Statistic Traveler Inform ation System s Q ueue W arning D ynam ic Lane M erge D ynam ic (Variable) Speed Lim it W ork Zone D ata C ollection Technologies W ork Zone Location Technologies W ork Zone Intrusion A larm N otification of C onstruction Equipm ent Entering/Exiting O ther (1 = most frequently used technology, 2 = second most frequently used technology, etc.)
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From page 295...
... H-1   A P P E N D I X H Survey Results for DOT Performance Ratings of Smart Work Zone Technologies by Climate Region
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From page 296...
... Table H-1. Survey results for DOT performance ratings of smart work zone technologies by climate region.
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