General Topics
- Drainage
- Landscaping
- Utilities
- Access to property and developments
- Emergencies; break downs; emergency and service vehicle access
- Future reconstruction projects (widening and/or realignments)
- Staging of construction
- Adjacent developments
- Stability of cut and fill
- Skid Resistance
- Maintenance
- Human Factors
- Changes since previous audit
Design Issues
- Geometry of horizontal and vertical alignment
- Typical cross sections and recovery zones
- Effect of cross sectional variation
- Roadway layout
- Shoulders and edge treatment
- Effect of departures from standards or guidelines
Alignment Details
- Visibility and sight distance
- New/existing road transitions
- 'Readability' (perception) of the alignment by drivers
- Detail of geometric design
- Transitions to bridges and culverts
- Combinations of features
Intersections
- Visibility to and visibility at intersections
- Layout
- 'Readability' (perception) by drivers
- Pedestrians, bicyclists
- Detailed geometric design
- Traffic signals
- Signing and marking
- Roundabouts
- Other Intersections
- Lighting
Interchanges
- Visibility
- Layout
- Lanes, shoulders
- Ramps
- Pedestrians, bicyclists
- Signing and marking
- Clearances, visual perception of structures
- Lighting
Special Road Users
- Adjacent land
- Pedestrians
- Bicyclists
- Older drivers
- Motorcyclists
- Equestrians and stock
- Motor carriers
- Public transport
- Road maintenance vehicles
- Snowmobiles and ATVs
- Special (slow moving) vehicles
Lighting, Signs and Delineation
- Lighting
- Signs
- Marking and delineation
Roadside
- Median barriers
- Poles and other obstructions
- Roadside barriers
- Pedestrian railing
- Bridges, culverts and causeways/floodways
Environmental Constraints
- Weather, sunlight
- Noise barriers, wildlife fencing
- Animal crossings
- Visual distractions
- Unstable land
Safety Aspects Not Already Covered
Special events, consequent unusual or hazardous conditions, oversize vehicles, etc.