Retroreflectivity Maintenance
Consistent Parameters Procedure
This procedure requires the following factors:
- Using a full-size sport utility vehicle or pick-up to conduct the inspection.
- Using a model year 2000 or newer vehicle for the inspection.
- Using an inspector age 60 or older.
- Signs are viewed at the typical viewing distance for that sign.
- Signs need to be replaced if they are not legible to the inspector.
Consistent Parameters Procedure Checklist
- Inspector and driver need to be well rested
- Have SUV/ Truck vehicle with VOA headlamps aimed properly
- Have routes selected
- Prepare enough inspection forms
- Have sign list if available
- Clip board, pen lights, dash cam, tape recorder, laptop
- Be fueled up
- Cannot start in earnest until complete darkness
- Remember to evaluate both colors of signs with two retroreflective colors (white on green, white on red, etc.)