Caretta Branch - Abandoned Signal

[NW Mailing List]

That is possible.  How short a block are we talking about?

And, is there an Approach Distant signal on up the branch, or is this
the only signal?

Ben Blevins


On 3/4/14, NW Mailing List <nw-mailing-list at nwhs.org> wrote:

> Ben,

> Could it have been the fact that the distance from that signal and the

> home signal was extremely short and therefore a restricting indication

> would be safer?

>

> Nathan Simmons

> trainman51 at gmail.com

> http://www.t-51.org

> KI4MSK

>

> On 3/4/2014 16:13, NW Mailing List wrote:

>>

>> If I knew more about how the track circuits and distant signals to

>> this location were arranged, then I could tell you exactly why this

>> signal was set up this way.  There was a reason.

>>

>> The approach aspect was omitted because they did not need it.  It

>> could be as simple as that another train would never follow one out,

>> meaning a train passing the signal would never need to "Proceed

>> prepared to stop at next signal", as the Approach aspect dictates.

>>

>> Ben Blevins

>>

>> On Mar 4, 2014 2:49 PM, "NW Mailing List" <nw-mailing-list at nwhs.org

>> <mailto:nw-mailing-list at nwhs.org>> wrote:

>>

>>     This is the automatic advance (or approach) signal for the home

>>     signal a

>>     short block ahead at the junction with the Dry Fork Branch. The

>> nearby

>>     grade crossing (mostly) necessitates the short block and the

>>     signal's use

>>     as a hold-out. A Stop and Proceed here indicates a Stop and Stay

>>     at the

>>     junction, but allows movement ahead to the home signal without a

>>     violation

>>     if the rear can clear the road crossing (hold-out signals usually

>>     display

>>     Stop and Stay). In this branch line situation, with a permissive

>>     indication

>>     at the junction ahead, a Clear suffices as an Approach Diverging,

>>     making

>>     the signal act much like a repeater.

>>

>>     Grant Carpenter

>>

>>     > Date: Sun, 2 Mar 2014

>>     >

>>     > I have a question regarding this old signal on the Caretta

>>     Branch.  Does

>>     anyone know if this was the home signal for the branch's junction

>>     with the

>>     Dry Fork Branch main or a distant signal?  Someone had asked me

>>     why it only

>>     had aspects for "stop" and "clear".  I thought it would've had more

>>     available aspects than what it shows.

>>     >

>>     > http://www.pbase.com/railfire/image/153050851/original

>>     > http://www.pbase.com/railfire/image/154680221/original

>>     >

>>     > Jeff Hawkins

>>     >

>>     > www.railsinvirginia.com <http://www.railsinvirginia.com>

>>     > www.railfirephotography.com <http://www.railfirephotography.com>

>>     >

>>

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>>

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