| (subclass TransitwayObstacle Object) | Mid-level-ontology.kif 15249-15249 | 子類 過境障礙 and Object |
| (subclass Dam TransitwayObstacle) | Transportation.kif 3065-3065 | 子類 壩 and 過境障礙 |
| (subclass CanalLockGate TransitwayObstacle) | Transportation.kif 3071-3071 | 子類 運河閘門 and 過境障礙 |
| (subclass Door TransitwayObstacle) | Mid-level-ontology.kif 15254-15254 | 子類 門 and 過境障礙 |
|
|