Haa , train will halt at GHQ and bypass GHD by this 30 mins can be saved . Also new trains ko bhi jo shyad start ho like
/train/26855/1122/1391 woh bhi yeh bypass use kar sakti hai
avi toh most probably freights use karengi agar bypass banta hai toh because avi GHD me atleast 10 trains ka LC / LR hota hai