| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | road construction | Nigeria | Road construction may involve addressing challenges related to heavy rainfall and erosion, with different materials and techniques needed for durability in the region's climate. | 1 |
| 2 | road signage | Nigeria | In some areas, road signage may be insufficient or poorly maintained, contributing to traffic congestion and challenges for urban navigation. | 1 |