This post will cover Serbia and Switzerland.
I'm at the Крњача Krnjača station, which is on the railway line Belgrade-VršacThe line is only electrified until Pančevo; it is not electrified further to Vršac and Timișoara in Romania.
There are frequent local services between Batajnica and Pancevo operated by this ŽS series 412
Not all of the trains are painted with graffiti, here is one without
This train type was built by Rīgas Vagonbūves Rūpnīca (RVR) between 1980-1990, and there are 50 units of this type.
Small birds
Big birdsAt the station Ресник Resnik, I can spot this Romanian locomotive
It's the Class 040
Class ŽS series 444 at Stara Pazova
1116 026
The international version of Taurus supporting A, D, H, RO, BG, HR, CH, CZ, SRB
These are precisely the same wagons (TEN SK-VTGCH) I saw recently in Greece, Thessaloniki, so it might be on the way to Greece, passing through North Macedonia
Trams in Belgrade
And now I'm in Switzerland
Frick
Eiken station
Now we're talking, here is the railway with plenty of freight trains
475 403
Pendolino train
Domestic 484 002
De-icing salt
193 833
193 278 and 193 596
International 474 015 and 474 016 supporting CH and I
193 497
Stein-Säckingen
484 016
185 586 and 185 582
RheinCargo GmbH & Co. KG (RheinCargo) operates one of the largest inland port operations in Europe (in Düsseldorf, Neuss, and Cologne) and is also active as a private railway transport company (EVU) in rail freight transport. The company owns six inland ports with a total turnover of 25.4 million tons (2018) on 560 hectares of land. These include four ports in Cologne (Godorf, Deutz, Niehl I, and Niehl II), the port in Neuss, and the Düsseldorf Harbor as well as the port in Düsseldorf-Reisholz. With around 90 own locomotives and around 700 freight cars, the company carries around 20 million tonnes of freight per year. (Wikipedia)
There is a single track ahead, so trains stop here when there is red signal
JET A-1
railCare / Coop train
484 018
193 464 and 189 997
484 019 and 484 017
474 018
Mumpf
The section between Mumpf and Stein-Säckingen is single-tracked
484 016
189 999
Rhein river
193 470
185 565
187 007
Traxx AC3 with D, A, CH
Alfa Romeo cars
185 093 and 185 124
475 402
474 002
620 089
189 509
Eiken once again
193 527
185 584
185 567
193 493
Frick again
"I need Switzerland"