Hammersmith flyover
The Hammersmith flyover is an elevated roadway in West London which carries the A4 arterial road over and to one side of the central Hammersmith gyratory system , and it links together the Cromwell Road extension ( Talgarth Road ) with the start of the Great West Road . 
<triplet> Hammersmith flyover <subj> A4 arterial road <obj> carries