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Passenger Trains > Class I's with single TK ABS

Date: 05/04/25 14:14
Class I's with single TK ABS
Author: twropr

Are there any single track lines that have Automatic Block Signals (no CTC) on a single track operated by a 
Class I railroad that hosts Amtrak besides NS (former SOU Meridian-New Orleans) and UP (former SP
Coast Line between Gilroy and San Luis Obispo)?
Andy

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Date: 05/04/25 14:30
Re: Class I's with single TK ABS
Author: march_hare

Former ATSF over Raton?

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Date: 05/04/25 14:40
Re: Class I's with single TK ABS
Author: HoggerMatt

West side of Hutchinson, KS to Las Animas Jct, Colorado on BNSF. About 10 miles of DT ABS thru Dodge City.



Edited 1 time(s). Last edit at 05/04/25 14:40 by HoggerMatt.

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Date: 05/04/25 15:08
Re: Class I's with single TK ABS
Author: Typhoon

Much of CSX's Monon sub.

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Date: 05/04/25 15:48
Re: Class I's with single TK ABS
Author: yorknl

Is the BNSF/BN/GN line Amtrak uses from Fargo to Minot via Grand Forks ABS? I'm thinking that when I first started periodically riding the builder 20 years ago it was, but it may have been upgraded since then.

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Date: 05/04/25 16:06
Re: Class I's with single TK ABS
Author: pdt

twropr Wrote:
-------------------------------------------------------
> Are there any single track lines that have
> Automatic Block Signals (no CTC) on a single track
> operated by a 
> Class I railroad that hosts Amtrak besides NS
> (former SOU Meridian-New Orleans) and UP (former
> SP
> Coast Line between Gilroy and San Luis Obispo)?
> Andy

Actually, on the SP coast line its single track ABS from Santa margarita to Salinas...with hand throw switches at the passing sidings.  
I talked to an Amtrak engineer wh lives in town, a few years ago...He sais that other amtk employees around the system couldnt believe that they had to stop the train and get out and throw hand-throws at meets!!    
These days with so little traffic on the coast, the amtk crews dont have to do the very often anymore.

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Date: 05/04/25 16:22
Re: Class I's with single TK ABS
Author: ATSF1129

march_hare Wrote:
-------------------------------------------------------
> Former ATSF over Raton?

While the Pass itself is CTC, much of the subdivision is single track ABS with Spring Switch sidings. ABS is from LAJ to TRI, and Springer to Rowe on the Glorieta. NMRX finally ditched their failing ABS system last year.

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Date: 05/04/25 16:24
Re: Class I's with single TK ABS
Author: GCL13

UP Austin Subdivision Main Track 2 between Tower 112 and Schertz.  Rule 9.14.2 / ABS. 

UP Waco Subdivision between Temple and Taylor. TWC / ABS. 

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Date: 05/04/25 16:28
Re: Class I's with single TK ABS
Author: GCL13

BNSF Lafayette Subdivision between Live Oak and Roanoke Louisiana. Former Southern Pacific Lafayette Subdivision. 

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Date: 05/04/25 19:20
Re: Class I's with single TK ABS
Author: czephyr17

yorknl Wrote:
-------------------------------------------------------
> Is the BNSF/BN/GN line Amtrak uses from Fargo to
> Minot via Grand Forks ABS? I'm thinking that when
> I first started periodically riding the builder
> 20 years ago it was, but it may have been upgraded
> since then.

The line from Fargo to Minot via Grand Forks was substantially upgraded in the 2012-2014 timeframe during the Bakken oil boom. The signal system remained ABS with “CTC Islands installed at a few select sidings.

Posted from iPhone

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Date: 05/04/25 19:24
Re: Class I's with single TK ABS
Author: stevef

The BNSF/BN/GN line Amtrak uses from Fargo to Minot via Grand Forks is all CTC now.

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Date: 05/04/25 20:07
Re: Class I's with single TK ABS
Author: yorknl

Thanks to the last two posters for clarifying the situation on the Grand Forks route.

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Date: 05/05/25 03:43
Re: Class I's with single TK ABS
Author: mbrotzman

pdt Wrote:
-------------------------------------------------------
> twropr Wrote:
> --------------------------------------------------
> -----
> > Are there any single track lines that have
> > Automatic Block Signals (no CTC) on a single
> track
> > operated by a 
> > Class I railroad that hosts Amtrak besides NS
> > (former SOU Meridian-New Orleans) and UP
> (former
> > SP
> > Coast Line between Gilroy and San Luis Obispo)?
> > Andy
>
> Actually, on the SP coast line its single track
> ABS from Santa margarita to Salinas...with hand
> throw switches at the passing sidings.  
> I talked to an Amtrak engineer wh lives in town, a
> few years ago...He sais that other amtk employees
> around the system couldnt believe that they had to
> stop the train and get out and throw hand-throws
> at meets!!    
> These days with so little traffic on the coast,
> the amtk crews dont have to do the very often
> anymore.

I was actually lucky enough to get video of the proceedure on my southbound Starlight when passing a short local freight back in 2014.

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Date: 05/05/25 15:00
Re: Class I's with single TK ABS
Author: BigSkyBlue

GCL13 Wrote:
-------------------------------------------------------
> UP Waco Subdivision between Temple and Taylor. TWC
> / ABS. 

On 2/28/25 the northbound Texas Eagle was running 8 hours late and met the southbound Eagle on this section at Little River, Texas.  BSB 

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