Across
- 2. Necessary upkeep to keep drainage system functioning properly
- 7. Large pipes or concrete structures allowing water to pass underneath roadways
- 12. (2 words) Consideration of the effects on the surrounding environment
- 15. (2 words) Removal of water from road surface using features like gutters, curbs, and ditches
- 17. Wearing away of soil and other materials by water, wind, or other natural agents
- 18. Gathering water from the surface or subsurface
Down
- 1. (2 words) Material used to line trenches to prevent soil erosion and filter out debris
- 3. The physical structure of the constructed highway
- 4. (2 words) Removal of water from beneath the road surface using features like perforated pipes, underdrains, and drain tiles
- 5. The transportation of water from collection points to a suitable outlet or drainage facility
- 6. (2 words) The process of collecting, conveying, and disposing of surface and subsurface water
- 8. (2 words) Amount of rainfall in the area in a given time
- 9. (2 words) Outlets or facilities for water collection and disposal
- 10. Deposition of sediment or other material carried by water or wind
- 11. The safe release of water into the environment
- 13. Slope of the road surface
- 14. (2 words) Structures designed to capture water and direct it into the drainage system
- 16. The protection of motorists and pedestrians from hazardous conditions caused by standing water or flooding