Hi guys,
Sorry didn't answer later,
Actually in mission 20 of this AWESOME campaign (thanks again Baltic_Dragon) F16 starts way before you.. (it's a cold start for us the A10), and they start Rolling while you power up your plane, so it's not like I start Rolling or anything else or I'm blocking the taxiway.
They start Rolling while I configure my plane but still get stuck in the taxiway.
Someone else reproduce it by the way, and I have it everytime, I'm on 1.5.4 DCS World stable version.