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                Media ContactsMenu FHWA Highway Safety Programs Home
                        HSIP 2017 National Summary Report


            
            In This Section
        Highway Safety Improvement Program (HSIP)
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                Appendix A: Full Description of HSIP Improvement Categories and Sub Categories for 2013 HSIP Reporting Guidance
Category
			Sub-categoryAccess management
			Access management – otherChange in access – close or restrict existing accessChange in access – miscellaneous/unspecifiedGrassed median – extend existingMedian crossover – close crossoverMedian crossover – directional crossoverMedian crossover – relocate existingMedian crossover – unspecifiedRaised island – install newRaised island – modify existingRaised island – remove existingRaised island – unspecifiedAdvanced technology and ITS
			Advanced technology and ITS – otherCongestion detection / traffic monitoring systemDynamic message signsOver height vehicle detectionAlignment
			Alignment – otherHorizontal curve realignmentHorizontal and vertical alignmentVertical alignment or elevation changeAnimal-related
			Animal relatedInterchange design
			Acceleration / deceleration / merge laneConvert at-grade intersection to interchangeExtend existing lane on rampImprove intersection radius at ramp terminusInstallation of new lane on rampInterchange design – otherRamp closureRamp meteringIntersection geometry
			Auxiliary lanes – add acceleration laneAuxiliary lanes – add auxiliary through laneAuxiliary lanes – add left-turn laneAuxiliary lanes – add right-turn laneAuxiliary lanes – add right-turn lane (free-flow)Auxiliary lanes – add slip laneAuxiliary lanes – add two-way left-turn laneAuxiliary lanes – extend acceleration/deceleration laneAuxiliary lanes – extend existing left-turn laneAuxiliary lanes – extend existing right-turn laneAuxiliary lanes – miscellaneous/other/unspecifiedAuxiliary lanes – modify acceleration laneAuxiliary lanes – modify auxiliary through laneAuxiliary lanes – modify free-flow turn  laneAuxiliary lanes – modify left-turn lane offsetAuxiliary lanes – modify right-turn lane offsetAuxiliary lanes – modify turn lane storageAuxiliary lanes – modify turn lane taperAuxiliary lanes – modify two-way left-turn laneIntersection geometrics – miscellaneous/other/unspecifiedIntersection geometrics – modify intersection corner radiusIntersection geometrics – modify skew angleIntersection geometrics – realignment to align offset cross streetsIntersection geometrics – realignment to increase cross street offsetIntersection geometrics – re-assign existing lane useIntersection geometry – otherSplitter island – install on one or more approachesSplitter island – remove from one or more approachesSplitter island – unspecifiedThrough lanes – add additional through laneIntersection traffic control
			Intersection flashers – add "when flashing" warning sign-mountedIntersection flashers – add advance emergency vehicle warning sign-mountedIntersection flashers – add advance heavy vehicle warning sign-mountedIntersection flashers – add advance intersection warning sign-mountedIntersection flashers – add miscellaneous/other/unspecifiedIntersection flashers – add overhead (actuated)Intersection flashers – add overhead (continuous)Intersection flashers – add stop sign-mountedIntersection flashers – modify existingIntersection flashers – remove existingIntersection signing – add basic advance warningIntersection signing – add enhanced advance warning (double-up and/or oversize)Intersection signing – add enhanced regulatory sign (double-up and/or oversize)Intersection signing – miscellaneous/other/unspecifiedIntersection signing – relocate existing regulatory signIntersection traffic control – otherModify control – all-way stop to roundaboutModify control – modifications to roundaboutModify control – no control to roundaboutModify control – no control to two-way stopModify control – remove right-turn yieldModify control – reverse priority of stop conditionModify control – traffic signal to roundaboutModify control – two-way stop to all-way stopModify control – two-way stop to roundaboutModify control – two-way yield to two-way stopPavement Markings – add advance signal aheadPavement markings – add advance stop aheadPavement markings – add dashed edge line along mainlinePavement markings – add lane use symbolsPavement markings – add stop linePavement markings – add yield linePavement markings – miscellaneous/other/unspecifiedPavement markings – refresh existing pavement markingsModify traffic signal – add additional signal headsModify traffic signal – add backplatesModify traffic signal – add backplates with retroreflective bordersModify traffic signal – add closed loop systemModify traffic signal – add emergency vehicle preemptionModify traffic signal – add flashing yellow arrowModify traffic signal – add long vehicle detectionModify traffic signal – add railroad preemptionModify traffic signal – add wireless systemModify traffic signal – miscellaneous/other/unspecifiedModify traffic signal – modernization/replacementModify traffic signal – modify signal mounting (spanwire to mast arm)Modify traffic signal – remove existing signalModify traffic signal – replace existing indications (incandescent-to-LED and/or 8-to-12 inch dia.)Modify traffic signal timing – left-turn phasing (permissive to protected/permissive)Modify traffic signal timing – left-turn phasing (permissive to protected-only)Modify traffic signal timing – adjust clearance interval (yellow change and/or all-red)Modify traffic signal timing – general retimingModify traffic signal timing – signal coordinationSystemic improvements – signal-controlledSystemic improvements – stop-controlledLighting
			Continuous roadway lightingIntersection lightingLighting – otherSite lighting – horizontal curveSite lighting – intersectionSite lighting – interchangeSite lighting – pedestrian crosswalkMiscellaneous
			MiscellaneousNon-infrastructure
			Educational effortsEnforcementData/traffic recordsNon-infrastructure – otherOutreachRoad safety auditsTraining and workforce developmentTransportation safety planningParking
			Modify parkingParking – otherRemove parkingRestrict parkingTruck parking facilitiesPedestrians and bicyclists
			CrosswalkInstall new "smart" crosswalkInstall new crosswalkInstall sidewalkMedians and pedestrian refuge areasMiscellaneous pedestrians and bicyclistsModify existing crosswalkPedestrian beaconsPedestrian bridgePedestrian signalPedestrian signal – audible devicePedestrian signal – Pedestrian Hybrid BeaconPedestrian signal – install new at intersectionPedestrian signal – install new at non-intersection locationPedestrian signal – modify existingPedestrian signal – remove existingPedestrian warning signs – add/modify flashersPedestrian warning signs – overheadRailroad grade crossings
			Grade separationModel enforcement activityProtective devicesRailroad grade crossing gatesRailroad grade crossing signingRailroad grade crossings – otherSurface treatmentUpgrade railroad crossing signalWiden crossing for additional laneRoadside
			Barrier end treatments (crash cushions, terminals)Barrier transitionsBarrier – cableBarrier – concreteBarrier- metalBarrier – otherBarrier – removalCurb or curb and gutterDrainage improvementsFencingRemoval of roadside objects (trees, poles, etc.)Roadside gradingRoadside – otherRoadway
			Install / remove / modify passing zonePavement surface – high friction surfacePavement surface – miscellaneousRoadway narrowing (road diet, roadway reconfiguration)Roadway – otherRoadway – restripe to revise separation between opposing lanes and/or shoulder widthsRoadway widening – add lane(s) along segmentRoadway widening – curveRoadway widening – travel lanesRumble strips – centerRumble strips – edge or shoulderRumble strips – transverseRumble strips – unspecified or otherSuperelevation / cross slopeRoadway delineation
			Improve retroreflectivityLongitudinal pavement markings – newLongitudinal pavement markings – remarkingDelineators post-mounted or on barrierRaised pavement markersRoadway delineation – otherRoadway signs and traffic control
			Curve-related warning signs and flashersSign sheeting – upgrade or replacementRoadway signs and traffic control – otherRoadway signs (including post) – new or updatedShoulder treatments
			Widen shoulder – paved or otherPave existing shouldersShoulder gradingShoulder treatments – otherSpeed management
			Modify speed limitRadar speed signsSpeed detection system / truck warningSpeed management – otherTraffic calming featureWork Zone
			Work zone
      
  Book traversal links for Appendix A: Full Description of HSIP Improvement Categories and Sub Categories for 2013 HSIP Reporting Guidance
      ‹ Summary
                    Up
                    Appendix B. Detailed Tables of Project Costs Summaries ›
                
                Book:HSIP 2017 National Summary Report
              Executive Summary
                Background
                HSIP Funding Approach
                Data-Driven Safety Decision Making
                HSIP Projects Overview
                Project Cost
                Functional Class and Ownership
                Improvement Categories and Subcategories
                SHSP Emphasis Areas
                2013-2016 Comparison
                Comparison to Previous Years
                Benefit-Cost Analysis of the HSIP
                Summary
                Appendix A: Full Description of HSIP Improvement Categories and Sub Categories for 2013 HSIP Reporting Guidance
                Appendix B. Detailed Tables of Project Costs Summaries U.S. DEPARTMENT OF TRANSPORTATION

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