Hi Devs,
Thx for this very promising update (again)
Just my own though but pls bear in mind that I did not read all of the above post and might duplicate some one here :
The railroad network in France might hve been dominated by French machines. The state run company (the SNCF) had 2/3rd of it's assets and workers sized by the Germans with 1000 locomotive and 35000 wagons requisitionned as early as July 40.
If you are going to invest in extensive research on this subject you might be out of topic (unles you want to re-use this for a late theater

)
Anyhow IMHO a German locomotive strafed at 500kph look like very much as its French counterpart
~S!