Term Details

Display Hierarchical | Alphabetical | KWOC | KWIC


Top Terms > Facilities > Specialized facilities > Underground structures > Tunnels > Tunnels by use > Railroad tunnels

Find related records

Search with TRT term only:

TRB Publications Index
Research in Progress
TRID

Expanded search with
narrower TRT terms:

TRB Publications Index
Research in Progress
TRID

Railroad tunnels (Pdvtrr)

Broader Term
Tunnels by use (Pdvtr)
Narrower Terms
Subways (Pdvtrrs)
Related Terms (Hierarchical)
Pedestrian tunnels (Pdvtrn)
Pressure tunnels (Pdvtrp)
Vehicular tunnels (Pdvtrv)
Related Terms (Associative)
Railroad facilities (Pmu)