National Academies Press: OpenBook

Use of Smart Work Zone Technologies for Improving Work Zone Safety (2022)

Chapter: Appendix B - List of Responding DOTs

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Page 139
Suggested Citation:"Appendix B - List of Responding DOTs." National Academies of Sciences, Engineering, and Medicine. 2022. Use of Smart Work Zone Technologies for Improving Work Zone Safety. Washington, DC: The National Academies Press. doi: 10.17226/26637.
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Page 139
Page 140
Suggested Citation:"Appendix B - List of Responding DOTs." National Academies of Sciences, Engineering, and Medicine. 2022. Use of Smart Work Zone Technologies for Improving Work Zone Safety. Washington, DC: The National Academies Press. doi: 10.17226/26637.
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Page 140

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C-1   A P P E N D I X C Individual Survey Responses from DOTs Table C-1. Individual DOT responses to Question 1 (status of implementation for smart work zone technologies). Q1. What is the current status of implementation of each of the following smart work zone technologies by your agency? (3 = Already Implemented, 2 = Not Currently Implemented but Plan to Implement in Future, 1 = No Current Plans to Implement) Respondent Tr av el er In fo rm at io n Sy st em s Q ue ue W ar ni ng D yn am ic L an e M er ge D yn am ic (V ar ia bl e) S pe ed Li m it W or k Zo ne D at a C ol le ct io n Te ch no lo gi es W or k Zo ne L oc at io n Te ch no lo gi es W or k Zo ne In tr us io n A la rm N ot ifi ca tio n of C on st ru ct io n Eq ui pm en t E nt er in g/ Ex iti ng O th er Alabama 3 3 2 3 2 2 2 2 - Alaska 1 1 1 1 1 1 1 1 3 Arizona 3 3 3 2 3 2 1 2 2 Arkansas 3 3 1 1 2 1 1 1 - California 3 3 3 3 1 3 1 1 3 Colorado 3 2 3 2 2 2 3 2 - Connecticut 3 3 2 2 3 3 2 2 - Delaware 3 3 1 2 2 2 1 2 - District of Columbia 3 1 1 1 1 1 1 1 - Florida 3 2 2 2 3 2 2 2 - Georgia 3 2 1 1 2 2 2 1 - Hawaii 1 1 1 1 1 1 1 1 -

C-2 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q1. What is the current status of implementation of each of the following smart work zone technologies by your agency? (3 = Already Implemented, 2 = Not Currently Implemented but Plan to Implement in Future, 1 = No Current Plans to Implement) Respondent Tr av el er In fo rm at io n Sy st em s Q ue ue W ar ni ng D yn am ic L an e M er ge D yn am ic (V ar ia bl e) S pe ed Li m it W or k Zo ne D at a C ol le ct io n Te ch no lo gi es W or k Zo ne L oc at io n Te ch no lo gi es W or k Zo ne In tr us io n A la rm N ot ifi ca tio n of C on st ru ct io n Eq ui pm en t E nt er in g/ Ex iti ng O th er Illinois 3 3 3 1 2 2 1 2 - Indiana 2 3 2 2 2 2 2 2 - Iowa 3 3 1 1 3 3 1 3 - Kansas 3 3 3 1 2 1 1 1 - Kentucky 3 3 1 1 3 3 1 1 - Louisiana 3 3 1 1 3 2 1 1 - Maine 3 2 1 1 1 2 2 1 - Maryland 2 2 3 3 2 2 1 1 3 Massachusetts 3 3 3 2 3 2 2 2 3 Michigan 3 3 2 2 3 2 1 3 - Minnesota 3 3 3 2 3 2 2 2 3 Mississippi 3 3 1 1 3 3 1 1 - Missouri 3 3 3 1 3 3 2 1 - Montana 2 3 1 2 2 2 2 1 - Nebraska 1 3 2 1 1 2 1 1 - Nevada 3 2 3 3 2 2 1 1 - New Hampshire 3 3 3 3 3 3 1 1 - New Jersey 3 1 1 1 1 1 1 3 1 New Mexico 2 1 2 1 2 2 2 2 - New York 3 1 1 1 1 1 1 1 1 North Carolina 3 3 3 3 1 3 1 3 - Idaho 3 1 1 2 1 1 1 1 -

Next: Appendix C - Individual Survey Responses from DOTs »
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 Use of Smart Work Zone Technologies for Improving Work Zone Safety
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To make work zones safer, state departments of transportation (DOTs) use smart technologies with specialized components, such as sensors, communications, software, and electronic equipment, to manage traffic and operations and disseminate traveler information.

The TRB National Cooperative Highway Research Program's NCHRP Synthesis 587: Use of Smart Work Zone Technologies for Improving Work Zone Safety reviews and documents state DOT practices and implementation challenges regarding the use of smart work zone technologies designed to improve safety for motorists, construction and maintenance workers, and other users of the transportation system.

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