| k | num | v's |
| FIXME | 2 | name? (1), please improve (1), |
| HFCS | 9 | Major Arterial (Rural) (2), Major Collector (2), Principal Arterial - Other (5), |
| ISO3166-1 | 3 | CN (1), RU (1), VN (1), |
| ISO3166-1:alpha2 | 3 | CN (1), RU (1), VN (1), |
| ISO3166-1:alpha3 | 3 | CHN (1), RUS (1), VNM (1), |
| ISO3166-1:numeric | 3 | 156 (1), 643 (1), 704 (1), |
| ISO3166-2 | 7 | CN-HL (1), RU-AMU (1), RU-KHA (1), RU-SA (1), RU-YEV (1), RU-ZAB (1), VN-DN (1), |
| NHS | 12 | STRAHNET (2), yes (10), |