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Re: [CBQ] re: E. Dubuque tunnel

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Subject: Re: [CBQ] re: E. Dubuque tunnel
From: cy svobodny <ctsvobodny@yahoo.com>
Date: Wed, 16 Aug 2006 20:19:22 -0700 (PDT)
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Thet curve is very sharp.  I road thru on the head end
of Amtrak RDC in early 70's and could hear the flanges
squeel in pain. Quite the adventure. As i recall a
road goes over the top just at the west portal.  CY

--- Charlie Vlk <cvlk@comcast.net> wrote:

> The tunnel at East Dubuque is unique even more than
> you think!!!
> At the time of its construction the CB&N was at a
> grade much lower than it is today.
> Because the IC had to meet the grade of the bridge
> the tunnel floor and trackage was
> at a level that was higher than the CB&N track.  So,
> for a while at least, until the CB&N
> grade could be raised, the IC crossed the CB&N on a
> small swing bridge!!!!!
> Charlie Vlk
> 
>   The tunnel at E. Dubuque is owned & maintained by
> IC (CN). The Q (and 
>   CGW) had rights going back to the days when E. Dbq
> was known as 
>   Dunleith (old stock certificates for the nearby IC
> bridge across the 
>   Mississippi are for the "Dubuque & Dunleith Bridge
> Co".).
>   The tunnel is unique for 3 reasons: it at one time
> had 3 RR's using 
>   it; it makes a complete 90 degree curve within it
> portal to portal and 
>   finally, when west-bd trains emerge they are
> immediately atop the 
>   double track Q (BN) mainline and then in a matter
> of 20' or so are on 
>   the bridge crossing the Mississippi. Quite a shock
> for engineers on 
>   their 1st trip thru!
>   Yrs back there was a tower at the west portal (was
> @ 2 different parts 
>   of the diamond over the yrs). At the east portal
> there was a shack 
>   for a crossing guard (lasted into the 50's) as
> well as a tell-tale.
>   Until the IC rebuilt it for higher loads
> (autoracks) the exhaust from 
>   steam could be seen atop the portals. last sgteam
> to go thru would 
>   have been Q steam excursions from Dbq to Savannah
> in the early 60's.
>   The ICHS site may have photos; it is easy to find
> postcards of the 
>   tunnel on eBay or any RR show; both lithos and
> RPPC. Gerald
> 
> 
> 
>    
> 
> [Non-text portions of this message have been
> removed]
> 
> 


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