| Key | Value |
| colour:arrow | black |
| colour:back | yellow |
| colour:text | black |
| destination:backward | Косјерић / Kosjerić |
| destination:lang:sr-Latn:backward | Kosjerić |
| destination:lang:sr:backward | Косјерић |
| destination:ref | 21 |
| highway | primary |
| lanes | 2 |
| maxspeed | 50 |
| name:sr | Косјерска |
| name:sr-Latn | Kosjerska |
| old_ref | M21 |
| overtaking | no |
| ref | 21 |
| ref:RS:ulica | 733415000002 |
| surface | asphalt |
| traffic_sign:2:backward | RS:IV-20.1 |