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Roadway Surface Type
| Database table | Road_lane |
| Database variable name | Roadway_surface_type |
| Introduction date | 2009-07-01 |
| Expiration date | Still active |
Short description
Type of surface on the roadway.
Values
| 2 | Asphalt |
| 3 | Drainage Asphalt |
| 4 | Gravel |
| 5 | Concrete |
| 6 | Brick |
| 7 | Block |
| 7777 | Not Applicable |
| 8888 | Other |
| 9999 | Unknown |
Description
Roadway surface type is the material in the top surface of the road and is noted for each lane.
- Asphalt
- The most common surface type, usually black but can also be red or green. This includes Tar-macadam.
- Drainage asphalt
- A special kind of asphalt that is more porous and lets water through more easily.
- Gravel
- Non-fixed aggregate material, a common material on smaller rural roads.
- Concrete
- A mixture of aggregate, sand, water and cement. Light grey in colour once set.
- Brick or block
- Road surface is composed of fixed individual blocks or bricks.
- Unknown
- The roadway surface type is unknown.
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