Xenoarch update

code/game/objects/structures/transit_tubes.dm

@@ -97,7 +97,14 @@ obj/structure/ex_act(severity)
 	if(tube_dirs == null)
 		init_dirs()
 
-
+/obj/structure/transit_tube/Bumped(mob/AM as mob|obj)
+	var/obj/structure/transit_tube/T = locate() in AM.loc
+	if(T)
+		AM << "<span class='warning'>The tube's support pylons block your way.</span>"
+		return ..()
+	else
+		AM.loc = src.loc
+		AM << "<span class='info'>You slip under the tube.</span>"
 
 /obj/structure/transit_tube/station/New(loc)
 	..(loc)