Traffic Signal Preemption at Intersections Near Highway–Rail Grade Crossings (2017) / Chapter Skim
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Pages 62-78
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62 Table B1 summarizes responses to the survey as well as the number of responses received. The numbers in parenthesis indicate the number of responses that reference the associated information.
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63 (continued on next page) TABLE B1 (continued)
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64 QUESTION # OF RES P Q6 If the answer to Question #4 is no, do you have a standard procedure to calculate your advance preemption time?
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65 (continued on next page)
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66 QUESTION # OF RES P Q12 Do you use any smart recovery strategies?
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67 (continued on next page)
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68 QUESTION # OF RES P Q21 If the answer to Question #20 is yes, is the circuit from the railroad normally closed (when no preempt)
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69 (continued on next page)
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70 QUESTION # OF RES P Q31 If the answer to Question #30 is yes, which outputs?
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71 QUESTION # OF RES P Q34 Do you use pre-signals?
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72 QUESTION # OF RES P Q38 Do you use any advanced train detection or railway interconnection technology?
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73 QUESTION # OF RES P Q43 If the answer to Question #42 is yes, how often do you perform inspections and/or maintenance?
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74 QUESTION # OF RES P Q46 If the answer to Question #45 is yes, how often do you review crossings?
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75 QUESTION # OF RES P Q48 Do you restrict timing changes at interconnected traffic signals to those that have been pre-approved by an appropriate staff member?
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76 QUESTION # OF RES P Q51 Do you record detailed rail-warning-system events beyond the preempt log in the traffic signal controller?
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Abbreviations and acronyms used without definitions in TRB publications: A4A Airlines for America AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACI–NA Airports Council International–North America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FAST Fixing America's Surface Transportation Act (2015) FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers MAP-21 Moving Ahead for Progress in the 21st Century Act (2012)
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TRANSPORTATION RESEARCH BOARD 5 0 0 F ifth S tre e t, N W W a s h in g to n , D C 2 0 0 0 1 A D D R ESS SER VICE R EQ UESTED NO N-PRO FIT O RG .
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