Object Class: Tunnel
Acronym: TUNNEL (P,L,A)
Set Attribute_A: BURDEP; CONDTN; HORACC; HORCLR; NOBJNM; OBJNAM; STATUS; VERACC; VERCLR;
Set Attribute_B: INFORM; NINFOM; NTXTDS; PICREP; SCAMAX; SCAMIN; TXTDSC;
Set Attribute_C: RECDAT; RECIND; SORDAT; SORIND;
A passage that is open to the atmosphere at both ends, buried under the sea bed or laid over the sea floor or bored under the ground or through mountains.
INT 1: ID 16;
Distinction: railway; road;