For general access to the Wolfram Knowledgebase, use entities of type Tunnel instead of TunnelData.


gives the value of the specified property for the tunnel entity.


gives a list of property values for the specified tunnel entities.


gives the specified annotation associated with the given property.


  • TunnelData[] gives a list of all tunnel entities.
  • TunnelData["Properties"] gives a list of available properties.
  • TunnelData["SampleEntities"] gives a list of sample entities.
  • The specified entity in TunnelData can be an Entity, EntityClass, entity canonical name, or list thereof.
  • The specified property can be an EntityProperty, EntityPropertyClass, property canonical name, or list of properties.
  • Properties that do not apply or are not known in a particular case are indicated by Missing[].
  • Properties include:
  • "Cities"city location
    "ConstructionEndDate"completion year
    "Length"total length


open allclose all

Basic Examples  (3)

Use for entity discovery:

Use to discover properties of a tunnel:

Compare properties of multiple tunnels:

Neat Examples  (1)

Generate a map of notable tunnels near New York City with picture tooltips:

Introduced in 2014