1. Dangerous blind corners and sharp-curves, black spots and poorly lit areas.
2. Areas with unpredictable weather conditions (coastal roads, foggy areas, wet and rainy regions, etc.).
3. Joint intersections, on and off ramps, center lines and dividers, entrance warnings, carpool lanes, bridges, cross and side walks
4. Guidance lines, traffic islands, roundabouts and mountain roads.
5. Taxiways at airports, bike and pedestrian lanes, aboard ships and watercrafts.
6. Entertainment areas, parking lots, hotel entrances and gas stations etc.
7. Decks and Docks
8. Paths and Driveways
9. Fence Posts