Railway level crossing (environment)
| Code | 257681009 |
|---|---|
| Semantic tag | environment |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
285085007Railway line location
environment
257566007Automatic railway level crossing with gates
environment
257559006Automatic railway level crossing with half-barriers
environment
257639003Manned railway level crossing with gates
environment
257560001Railway level crossing without gates or barriers
environment