Hello,
In the pak128, there is a minor bug in the 40km/h and 50km/h elevated road graphics. The lower part of the doubly angled road is not entirely aligned with the top part:
(https://forum.simutrans.com/index.php?action=dlattach;attach=31963)
But if the lower part moved 4 pixels to the left, it becomes nicely aligned:
(https://forum.simutrans.com/index.php?action=dlattach;attach=31965)
If possible, please consider fixing this error.
In case it helps, I have attached the edited PNG files.