In two parts.
- The before map would be of the only high speed train the US currently has, and it's the Acela Express. So, something like this.
- If lots of people are consuming Tylenol in day to day life, and it causes autism, and some autistic people love trains, then the US should have a system like the map posted.
Whatever you do, they will slowly lose their original colour over time and a patina will form.