Random triples
| Subject | Object |
|---|---|
| gptkb:Moffat_Tunnel | heavy freight traffic |
| gptkb:Øresund_Tunnel | monitored |
| gptkb:Birkenhead_Tunnel | monitored by cameras |
| gptkb:Gotthard_Base_Tunnel | heavy freight traffic |
| gptkb:Tunnel_de_Mont_Blanc | heavy during winter |
| gptkb:Tunnel_de_Mont_Blanc | heavy during summer |
| gptkb:Eurotunnel_rail_tunnel | over 20 million passengers annually |