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Hubbard's Cave

Photo 

North Portal

Kennedy Expressway traffic enters the north portal of Hubbard's Cave, while Hubbard Street crosses at the middle level, and a Metra train crosses them both at the top level.

Photo from flickr, by Steven Vance, January 20, 2010

License: Creative Commons Attribution-Share-Alike (CC BY-SA)

View this photo on Flickr

BH Photo #268508

Map 

Description 

The Hubbard's Cave tunnel is a major landmark along Chicago's expressway system, carrying 10 lanes of I-90/I-94 under an entire neighborhood. It is named for Hubbard Street, which crosses atop it; Hubbard Street was named for early Chicago settler Gurdon Saltonstall Hubbard. The tunnel originally carried 8 lanes of traffic, but was widened to 10 lanes in about 1995 by eliminating the breakdown lanes through the tunnel.

Facts 

Overview
Tunnel on I-90/I-94 Kennedy Expy
Location
Chicago, Cook County, Illinois
Status
Open to traffic
History
Built 1959.
Railroads
- Metra (METX)
- Union Pacific Railroad (UP)
Design
Tunnel carrying 10 lanes of I-90/I-94 Kennedy Expressway under several city streets, railroads, and buildings.
Dimensions
Length of largest span: 100.1 ft.
Total length: 319.9 ft.
Also called
Hubbard Street Tunnel
Approximate latitude, longitude
+41.88799, -87.64714   (decimal degrees)
41°53'17" N, 87°38'50" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/446311/4637542 (zone/easting/northing)
Quadrangle map:
Chicago Loop
Inventory numbers
IL 016-2020 (Illinois bridge number)
BH 54922 (Bridgehunter.com ID)

Update Log 

  • October 10, 2014: Updated by Roger Deschner: Added category "Metra"
  • October 16, 2013: Photo imported by Roger Deschner
  • December 15, 2012: Updated by Roger Deschner: Added categories "I-90", "I-94"

Sources 

Comments 

Hubbard's Cave
Posted October 10, 2014, by Roger Deschner (rogerdeschner [at] gmail [dot] com)

Sun screening has been added around the gaps in the roof of Hubbard's Cave, to prevent beams of sunlight from blinding drivers below on sunny days at certain times of the year.