Couple of interchange examples that will be kept short and not take up two or three pages and not get too boring detailed. Just because rr A brings a interchange cut to rr B does not mean those cars can be pulled. If there are haz mat cars involved, the list has to be in exact correct order and haz mat shipment papers have to match with any such car involved. If not, the cars don't go for a ride. This happens all time w/ SKO to BNSF interchange @ Winfield. You would think after all tyese yrs, the shortline would get it but they don't. Another example is GCW to BNSF interchange. Many times the cars GCW brings over are not even in the BNSF inventory. If haz mats are involved, again the cars don't go for a ride. The KO @ Wichita one night last yr brought the haz mat cut to the BNSF yd. Many of the cars did not have haz mat papers w/them. BNSF by law could not sign off on chain custody.
Who is typically $responsible$ for maintenance of the track (sidings) where such interchange is set out to wait?
I've watched the interchange operation at Utica for a few years now. The short line (MWHA) leaves their outbound cars on a designated track (on the west end of the yard), with an "air slip" so CSX doesn't have to inspect them. A westbound CSX train (usually Q621) makes the pickup, leaving their train on the main while they dive in and pick up the pickups.
I'm presuming that anything that might be headed east gets picked off at Syracuse (or maybe Buffalo), but I've never investigated that.
CSX makes drops for MWHA on the east end of the yard (CP235). I've never watched that operation, so can't say anything about it.
Larry Resident Microferroequinologist (at least at my house) Everyone goes home; Safety begins with you My Opinion. Standard Disclaimers Apply. No Expiration Date Come ride the rails with me! There's one thing about humility - the moment you think you've got it, you've lost it...
Thanks guys for the quick and thorough answers, for both the Class 1's and the Class 2's & 3's - I thought you'd come through for me !
I believe you've answered all my questions - including some I didn't think to ask. Frankly, I'm a little surprised at the "we'll pick up whatever's there, as long as the paperwork is with it" practice and the 'near real time' capability, but that's why I asked.
Thanks again.
- PDN.
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Class 1's and Short Lines normally have a 'operating plan' about their interchange activities. Track(s) are designated at the interchange location for the purpose of interchange. Each carrier accepts (operationally) all cars that are placed on the designated interchange track - the only exception would be for HAZMAT cars that don't have the prescribed paperwork (real or electronic).
Normally each carrier has agreed to time frames they will service the interchange. Daily operational issues may cause changes to the time frame and may even cause the interchange not to be serviced on a particular day (which can create a whole new set of issues). Each carriers serving jobs are placed on duty at their origin with the interchange window being one of the determinates, along with other duties the job must perform as to the actual on duty time for the job. Remember, each carriers crew has 12 hours from their on duty time to complete their work.
Interchange is not based on notice - it is based on actually placing the cars on the interchange track (and the corresponding electronic report of that fact - between the involved carriers and the AAR [the AAR maintains a data base of car movement records for all carriers - that is used by shippers, consignees and 3rd party logistics management firms].
Most, if not all, Class 1's have some form of electronic work order system for dealing with their customers needs in near real time.
The process is simple and complicated all at the same time. Most of the complications are not seen by the T&E crews performing the car movements.
While a Short Line may service a customer more often than daily, interchanges are rarely serviced more than daily. If the interchange volume warrents it may get serviced multiple times per day - this is exceedingly rare.
If a customer is willing to incur Special Train Charges (and they are signifigant) over and above the normal freight charges - special, expedited arrangements can be made to move the shipment - this would require detailed arrangements between the carriers involved and would involve specific supervision by each carriers supervisory personnel - think oversized, overweight loads as being the most common Special Train movements.
Never too old to have a happy childhood!
Generally the locals or the train that does the interchange runs on a "schedule", it runs so many days a week and more or less the same time. The shortline drops the cars on the interchange and the class 1 picks them up when they get there. The waybills and data are transmitted electronically to the main frame and whatever is on the work order documents when the class 1 local leaves the yard, is what they pull, unless they have some sort of onboard computer or handheld (which many railroads/jobs do not), then its near real time.
Since the class 1 may switch the interchange once a day or every other day or the interchange may roll to the next day because the local is past the interchange.
Also the transit time has to look at the next connection past the yard. there was once customer that insisted that we pick up his cars AS SOON as they were released, even though if they waited to have them pulled by a later train they would actually have a day earlier departure out of the yard. If the class 1 train isn't going to pull the interchange until 8 pm, sending a shortline switcher out to pull them from industry "immediately" when they are released at 10 am isn't going to gain anybody anything really.
Dave H. Painted side goes up. My website : wnbranch.com
How much advance notice does the Class 1 need - and what are the 'nuts-and-bolts' mechanics of this ? (presuming the business arrrangements of route and rates, etc. are already in place)
Suppose a good shipping customer of the short line calls and says that 5 carloads will be available for it to pick-up in 2 hours, and then sends the electronic waybills. The short line sends a locomotive with crew and does that, then immediately heads for the interchange point, arriving there about an hour later to wait for the Class 1's train to show up.
But before all this happened, the Class 1's local train departed its originating yard a few hours earlier, with a certain set of locomotives and HP, and the electronic 'switch list' already in the hands (computer) of its conductor.
I suspect the Class 1's train can't just pick up anything the shortline shows up with - without any prior notice, unless the waybills were by then available to the Class 1 and the local's crew. And maybe not even then, if the pickup wasn't on the crew's work list. And how would any such changes be communicated to that crew ?
So does it work like this, or differently ?
How much advance notice does the Class 1 need ?
What else goes into or affects this process ?
On a smaller scale, how does this process work with a shipper that's directly on the Class 1 line, or even a switching line like Ed Blysard's ? Can Ed and his crew pick up a car that's been added aafter they've left their yard with that day's switch list ?
P.S. - This line of inquiry was prompted by the "WSOR 2017 Marketing Award" thread - i.e., coordinating those shipments with NS and BNSF.
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