Maintenance and Resurfacing Funding维护和置换资金.ppt
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1、,Steve Varnedoe,North Carolina Department of Transportation,Report to theJoint Legislative Transportation Oversight Committee,January 14,2003,Condition Assessment&Funding Needs For North Carolinas Highway System,Reporting RequirementsOverview of the SystemAssessment MethodologiesCurrent ConditionsFu
2、nding NeedsMaintenance Operational Improvements,Biennial Report on Maintenance Requirements.G.S.136-44.3,The annual cost of routine maintenanceThe cost of eliminating maintenance backlogAnnual resurfacing cost based on a 12-year cycle for primary roads and a 15-year cycle for other systemsThe cost o
3、f eliminating any resurfacing backlog,Since the Highway Trust Fund was enacted:,198976,808 road miles127,809 paved lane miles16,104 miles of unpaved roads16,900 structures61.1 M sf bridge deck area,200378,347 road miles155,960 paved lane miles6,644 miles of unpaved roads17,463 structures72.3 M sf br
4、idge deck area,North Carolina State Highway System,Highway System Growth(Paved Lane Miles),System Growth,Bridge System Growth(Square Feet of Bridge Deck),Deck Area Growth,Highway System Usage(Vehicle Miles Traveled),Growth,Rating the Condition of the Highway System,Maintenance Condition Survey Bridg
5、e Condition Survey Pavement Condition Survey,Maintenance Condition Elements,RoadwayLow ShoulderHigh ShoulderLateral DitchesLateral Ditch Erosion,DrainageCrossline PipeDriveway PipeCurb&GutterCatch Basin&Drop InletsOther Drainage Features,Roadside MowingBrush and Tree ControlLitter&DebrisSlopeGuardra
6、il,Traffic Control DevicesTraffic SignsPavement StripingWords and SymbolsPavement Markers,EnvironmentalTurf ConditionMiscellaneous Vegetation Management,PavementFlexibleRigid,BridgeDecksRailsExpansion JointsSuperstructureSubstructure,Roadway Performance Measures(Interstate),ElementPavementShoulders/
7、DitchesRoadsideDrainageTraffic Control DevicesEnvironmentalTotal,Target93888888888890,Actual86747073684776,Scale 1-100,RoadwayLevel of Service(2002 Survey),Interstate,Primary,Urban,Secondary,Performance Measure Trends(Roadway),Bridge Performance Measures(Statewide),ElementDecksRailsExpansion JointsS
8、uperstructureSubstructureTotal,Target777777,Actual6.67.16.56.96.46.7,Scale 1-9,Bridge Performance Measures(Statewide),ElementDecksRailsExpansion JointsSuperstructureSubstructureTotal,Target777777,Actual6.67.16.56.96.46.7,Scale 1-9,BridgeLevel of Service(2002 Survey),Bridges,Performance Measure Trend
9、s(Bridge),Pavement Preventive Maintenance,Program has doubled since 20002002-2800 miles at$31.3 million,Retreatment,Goal-5000 miles per year at$77.5 million,Traffic Systems Maintenance,Signal Preventive Maintenance Program(7,000 Traffic Signals Statewide)Intelligent Transportation System/Incident Re
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