Once you've cracked the code the road ahead opens up.
The ghost train is a memory of all that pain which in the end only served to make you stronger,
and here we are still sat in the car trying to crack that code.
If the Genie had said to me three wishes are yours they could have opened doors for me one could have set my mind free, but that would have been too easy.
The road is there only sometimes we don't have enough light, to see it.