minus-squareflyingSock@feddit.orgtoVideos@lemmy.world•Why don't railroads need expansion joints?linkfedilinkEnglisharrow-up4·7 days agoNowadays there are no thermal expansion joints, the rails are welded. Any thunk thunk left is at switches. linkfedilink
Nowadays there are no thermal expansion joints, the rails are welded. Any thunk thunk left is at switches.