| 1.1 - Unimproved |
| 1.2 - Soil Surface Road - Dirt |
| 1.3 - Gravel or Stone |
| 2.1 - Asphaltic Concrete (virgin) |
| 2.2 - Bituminous (chip seal) |
| 3 - JPCP – Jointed Plain Concrete Pavement |
| 4 - JRCP – Jointed Reinforced Concrete Pavement |
| 5 - CRCP – Continuously Reinforced Concrete Pavement |
| 6 - Asphalt-Concrete (AC) Overlay over Existing AC Pavement |
| 7 - AC Overlay over Existing Joined Concrete Pavement |
| 8 - AC (Bituminous Overlay over Existing CRCP) |
| 9 - Unbonded Jointed Concrete Overlay on PCC Pavement |
| 10 - Bonded PCC Overlay on PCC Pavement |
| 11 - Other |
| 99 - Primitive |