If there’s one thing that’s sure to bring traffic to a standstill, it’s the traffic light. That, after all, is what it’s designed to do, along with making our roads a safer place. But some road campaigners say we would be much better off without them.
The DW-WORLD Article
consign sb/sth to sth phrasal verb [often passive] FORMAL
to get rid of someone or something or to put them in an unpleasant place or situation:
to be consigned to prison
After the financial disaster, she was consigned to a life of poverty.
(from Cambridge Advanced Learner's Dictionary)
The noun scrapheap has 2 meanings:Meaning #2: pile of discarded metal