It still is quite strange for him to focus on Nord Stream. Yeah, it was important infrastructure. But it was switched off for quite a while due to sanctions against russia before the attack. So not great, but there was no immediate impact for people.
I could understand if he was focussing on silence in regard of the Ukraine war or even Gaza, but Nord Stream is strange
If you want to know how that looks like, here they are asking about military transports to Ukraine and their security measures:
https://parldok.thueringer-landtag.de/ParlDok/dokument/103629/transit_militaerischer_gueter_durch_thueringen.pdf