Random triples
| Subject | Object |
|---|---|
| gptkb:Severn_Tunnel | Heavily used by trains daily |
| gptkb:Albula_Tunnel | high traffic volume |
| gptkb:Queensway_Tunnel | used by commuters and commercial traffic |
| gptkb:Thames_Tunnel_Company | pedestrian and vehicular traffic |
| gptkb:Hoosac_Tunnel | primarily freight transport today |