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- From: jones@pyrite.cs.uiowa.edu (Douglas W. Jones,201H MLH,3193350740,3193382879)
- Subject: Re: Unusual Trackage (Was: Unusual tunnels?)
- Sender: news@news.uiowa.edu (News)
- Message-ID: <1992Dec24.211205.22591@news.uiowa.edu>
- Date: Thu, 24 Dec 1992 21:12:05 GMT
- References: <1992Dec24.150513.15529@bony1.bony.com>
- Nntp-Posting-Host: pyrite.cs.uiowa.edu
- Organization: University of Iowa, Iowa City, IA, USA
- Lines: 33
-
- From article <1992Dec24.150513.15529@bony1.bony.com>,
- by billg@bony1.bony.com (Bill Gripp):
-
- > 1) At Elizabethport, the CNJ had a "Grand Four"
-
- > |
- > /|\
- > / | \
- > ----------------
- > \ | /
- > \|/
- > |
-
- > While many intersections have connecting tracks, I can't think of any
- > others which have all four ...
-
- The Chicago Tunnel Company may have held the record, among ICC regulated
- common carrier railroads. They had grand unions under most of the
- street intersections of the Chicago Loop district. Of course, it was all
- 2 foot gauge traction, using mine locomotives, but they had something
- like 50 miles of track.
-
- The CTC tunnels, by the way, were the tunnels that were flooded last
- summer when someone drove a piling too close to one of the tunnels
- under the Chicago River and cracked the cement tunnel liner.
-
- Grand unions were common on urban traction lines, but relatively uncommon
- on railroads. I've seen plenty of half-grands, with a wye and crossing,
- or with a pair of diagonally opposite interchange tracks, but a full grand
- on a major railroad is something I haven't seen.
-
- Doug Jones
- jones@cs.uiowa.edu
-