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                Media ContactsMenu FHWA Highway Safety Programs Home
                        FHWA Road Safety Audit Guidelines


            
            In This Section
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                Post-construction Phase: Prompt List 6 – Existing Road Audit
Road Function, Classification, Environment

Road Alignment and Cross Section

Visibility, sight distance
	Design speed
	Speed limit/speed zoning
	Passing
	‘Readability’ (perception) of the alignment by drivers
	Human factors
	Widths
	Shoulders
	Cross slopes
	Side slopes
	Drains
	Combinations of featuresAuxiliary Lanes

Tapers
	Shoulders
	Signs and markings
	Turning trafficIntersections

Location
	Visibility, sight distance
	Signing and marking
	Layout and ‘readability’ (perception) by drivers
	Pedestrians, bicyclists
	LightingInterchanges

Visibility, sight distance
	Lanes, shoulders
	Signing, marking, delineation
	Pedestrians, bicyclists
	LightingSigns and Lighting

Lighting
	General signs issues
	Sign legibility
	Sign supports**Marking and Delineation**

General issues
	Centerlines, edgelines, lane lines
	Guideposts and reflectors
	Curve warning and delineation**Barriers and Clear Zones**

Clear zones
	Barriers
	End treatments /Crash cushions
	Pedestrian railing
	Visibility of barriers and fencesTraffic Signals

Operations
	Visibility
	Placement of signal headsPedestrians and Bicyclists

General issues
	Pedestrians
	Bicyclists
	Public transportOlder Drivers

Turning operations (receiving lane widths, radii)
	Channelization, opposing left turn lanes
	Sight triangles
	Signing, marking and delineation
	Traffic signalsBridges and Culverts

Design features
	Barriers
	Pedestrian and recreational facilities, delineationPavement

Pavement defects
	Skid resistance
	Ponding/icing/snow accumulation
	Loose stones/material
	ManholesParking

Provision For Heavy Vehicles

Design issues
	Pavement/shoulder qualityFloodways and Causeways

Ponding and flooding
	Safety of devicesOther Safety Issues

Landscaping
	Temporary works
	Headlight glare
	Roadside activities
	Signs of possible problems (pavement, roadside)
	Rest areas
	Environment
	Median curbing
      
  Book traversal links for Post-construction Phase: Prompt List 6 – Existing Road Audit
      ‹ Construction Phase: Prompt List 5 – Pre-Opening Stage Audit
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                    Development Projects: Prompt List 7 – Land Use Development Proposals Audit ›
                
                Book:FHWA Road Safety Audit Guidelines
              Preface
                1.0 Introduction
                2.0 Implementation of Road Safety Audits
                3.0 Overview of Road Safety Audit Process
                4.0 Conducting Road Safety Audits
                5.0 Pre-construction Road Safety Audits
                6.0 Construction Road Safety Audits
                7.0 Post-construction Road Safety Audits
                8.0 Road Safety Audit Prompt Lists
                Prompt List
                Pre-construction Phase: Prompt List 1 – Planning Stage Audit
                Pre-construction Phase: Prompt List 2 – Preliminary Design Stage Audit
                Pre-construction Phase: Prompt List 3 – Final Design Stage Audit
                Construction Phase: Prompt List 4 – Work Zone Traffic Control Plan Audit
                Construction Phase: Prompt List 5 – Pre-Opening Stage Audit
                Post-construction Phase: Prompt List 6 – Existing Road Audit
                Development Projects: Prompt List 7 – Land Use Development Proposals Audit
                Appendix A
                Appendix B U.S. DEPARTMENT OF TRANSPORTATION

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