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Thursday, March 30, 2023

New Signals at RONDOUT Tower

Way back in 2005 METRA's RONDOUT Tower was closed, however because it was a relay plant with a US&S unit lever machine, RONDOUT interlocking was not actually re-signaled, just placed under the remote control of the Canadian Pacific dispatcher. This left the fairly new US&S H-2 searchlight signals in place to the delight of rail photographers everywhere. Well since about 2020 RONDOUT interlocking has been undergoing a slow motion reconfiguration to improve throughput to the plant and recent photos have shown LED traffic light style signals arriving on site along with tubular gantry hardware.

You can this work already underway (or completed) on the overhead with the Fox Lake branch running down as a third track, crossing the EJE on a new diamond and then merging in at the southern end of the plant. The whole former MILW C&M Sub has been undergoing a slow motion re-signal for the better part of a decade now, having gone from majority searchlit to having only a few searchlight locations near the Milwaukee end of the line. 

New Standard C&M Sub signals and station sign.

With the new signals on site replacement operations could take place at any time. If you are looking to get out to RONDOUT for photos be aware it is not only a work site, but also a very active maintenance base. However the northbound searchlight gantry is fairly accessible from local roads and the southbound gantry is visible from a grade crossing,

At least the tower has found good use to support all the various local operations...for now.


Saturday, March 25, 2023

FRA Approves RFP Sub Cab Signal Removal

The FRA has granted CSX's December 2021 request to discontinue use of cab signals on the former Richmond, Fredericksburg and Potomac route between Washington, DC and Richmond, VA. Several months into a full blown rail safety panic it seems a bit tone deaf for the FRA to approve the removal of a well proven, reliable and completely failsafe signaling mechanism for good old fashioned waysides with a PTC safety overlay, but what do I know. Although we have seen similar cab signal removals by Union Pacific and BNSF, the RF&P cab signals had actually been integrated with the ETMS PTC system in a similar fashion to Norfolk Southern's Conrail territory. This makes CSX's post facto decision to ditch them an unfortunate surprise especially since the railroad choose to extend the northern limits of its RF&P CSS territory to CP-ANACOSTIA within the last decade. 

The motivation for the move is two fold. First, CSX doesn't have to worry about maintaining a large pool of CSS equipped locomotives to run over a single subdivision as well as performing a required CSS test before locomotives run over said subdivision. Likewise Virginia Railway Express no longer has to worry about CSS equipment or tests for its fleet and Amtrak can likely get away with neglecting the CSS on its Washington based diesel fleets. 

Cab Signal pickup on a VRE MP36

The second motivation is that despite the RF&P being "like" the successful PRR/Conrail system, it did have a major shortcoming wherein Medium Clear and Medium Approach signals would draw a Restricting (20mph) cab signal within interlocking limits instead of Approach Medium (45mph) or Approach (30mph) respectively.  This relay era cost saving measure that was never rectified and is likely the basis for some of the claims that the RF&P CSS does not play well with the ETMS PTC system that attempts to rely on the presence of cab signal codes for movement authority..

Like many FRA applications it may be a number of years for CSX to follow through on its plans. Unlike Union Pacific and BNSF that could literally wave away their ATS ATC and ACS systems at the stroke of midnight, CSX actually integrated the RF&P Sub CSS into its PTC solution with ETMS wayside interface units located only at interlockings to enforce the positive stop. Between interlockings the presence or absence of CSS codes would inform ETMS as to the enforcement of restricted speed situations such as an occupied block or open switch. CSX will need to install additional ETMS wayside interfaces at every automatic block signal location and every hand operated switch. Unless this work had already started it is likely to take a year or more before the CSS can be completely decommissioned.

As I have stated numerous times before, use of coded track circuits are both more reliable and provide a greater level of safety than wireless systems. Since the start of 2023 there have been at least two serious ETMS PTC outages to affect both Amtrak and MARC resulting in the cancellation of one or more days of scheduled service. CSS with ATC provides redundant speed control functionality that is completely independent of ETMS that can allow for (in a CYA sense) continued operation during a PTC outage. from an operations point of view CSS allows for mid-block signal upgrades and also provides for an easy path to 110mph service on the RF&P via the eventual extension of Rule 562+ACSES south from the NEC. Removal of the intermediate CSS code change points will significantly raise the costs of restoring CSS or just expanding the number of signal blocks to increase capacity.

For all we know CSX might still change its mind as the current rail safety panic continues to unfold and increases the political liability of removing safety systems to save a buck. Amtrak's plans to extend Rule 562 into the First Street tunnels further questions the cost savings if VRE and Amtrak diesels retain the need to be cab signal equipped for operation into Washington Union Station. In a further bit of irony CSX's purchase of Guilford Rail Service saddled it with additional Rule 562/ACSES territory that it will be unable to shake due to the MBTA. 

It will be interesting to see what happens to the remaining stub of CSS territory on the Philly Sub between CP-BELMONT and CP-PENROSE that was part of the old PRR West Philadelphia Elevated line to the South Philly freight yards. Leading locomotives do not need to be CSS equipped, but the system is still in service with all of the associated "costs".

Friday, March 17, 2023

Signal Replacement on the N&W H-Line

 One of the few remaining holdouts of classic signaling in the northeast has been the former Norfolk and Western H-Line between Roanoke and Front Royal. Although the northern end between Front Royal and Hagerstown was re-signaled nearly a decade ago for NS's north-south corridor, the southern end became a bit of a backwater and due to a fairly recent signal logic update ~2000, there was little incentive to replace the N&W color position lights at interlockings.

Thanks to a Position Light correspondent, I have reports of a gradual signal replacement project by NS that is hitting select locations on the H-Line, most notably centered on the city of Waynesboro. It does not appear to be a comprehensive project with Darth Vaders going up at every interlocking and a cutover date, but more individual projects going one interlocking at a time.  At the type of writing the next interlocking on the list appears to be STANLEY. The full March 2023 H-Line position light status appears below.

 

The new signals are the typical NS garbage, but because this is likely not replacing the fairly modern signal logic, the signal-ing is staying the same with western style route signals displaying N&W signal aspects.

As seen about at BUNEA VISTA both tracks approaching the end of a siding will see the same signal configuration with "straight" route Clear and Approach indications since there is only one route for each line. A second fixed red marker is provided since Eastern roads tend to prefer R/R for absolute signals. The single track mast signal would have G/Y/R over Y/R over Y/R to display R/Y/R Diverging Approach, R/*Y*/R Diverging Approach Diverging and R/R/Y Restricting. The one silver linking is the use of Conrail style blue station signs on the relay hits complete with the "CP" prefix.  It remains to be seen if the Southern green station signs will be retained.



Friday, March 10, 2023

Look For The Union Label

The Union Switch and Signal M3 family of electric point machines set the standard for performance and reliability, however entering into the catalogue around 1953, the M3's design and technology have long since gone off patent and are free for fly by night competitors to copy. Today we will take a quick look at the US&S trademarks as applied to their M3 family as well as the marks of imitators so you can avoid getting scammed.

 


Before I begin I would like to state that the following is not an exhaustive list as I am sure there will be countless variations within the broad categories I will outline below. I have photos of hundreds of M3 family switch machines and I am just going to take the average and find the best examples.

First off is what I will call the small verbose branding.  We have a small USS trademark followed by three lines of text consisting of "US&S Co", "Made in USA" and what appears to be parent information cast into the lid of the circuit contact portion of the switch machine. I suspect this is the earliest design as it looks most similar to the few surviving M2 machines and would likely be within the 17 year patent period starting around 1950.

The next version sees the third line dropped reducing the text to just "US&S Co" "Made in USA".

This is followed by the large logo variant that keeps the 2 lines of text, but has a larger US&S logo cast into the detector box cover.

Next we have the boxed variant that features the late model boxed US&S logo followed by "US&S Co" and "Made in USA" on earlier 1990's vintage machines and then just "US&S Co" in the later ones that are being sold up to the current day.

 

Now that you've seen the real stuff, let's check out some of the fakes. At the top of the skeezy list is this M23 I found on the UP Moffat Tunnel sub without any branding at all! 😬

Our next imitator is made by Vossloh and sold as the VSM-24.

Some of these are branded JMI, which is a machining and casting outfit. I am not sure if JMI was making complete switch machines and had that business bought out by Vossloh or if JMI was just a subcontractor.

Here is one I unfortunately neglected to get a good photo of, a Patco Industries branded M23B. Patco industries is known for their rebuilding work and sells pretty much every part of an M3 for spares so I am not sure if this was built from scratch or just has a lot of Patco parts.  It's worth mentioning that the branded contact case cover is made from aluminum, not cast iron.

I have heard mention of a few other companies selling M3 family switch machines and of course there are the international variants like Westinghouse Brake and Saxby Signal Company, but these are all the photo examples I have. If you know of any others please let me know in the comments and if you have some photos you wouldn't mind sharing I can add them to the list! Just remember, if you are looking for a quality electric switch machine, just look for the Union label.