The "Northeast Corridor Core Route," marked in blue, stretches from Alexandria, Virginia, to Boston, Massachusetts, passing ...

The map shows federal regional rail ... existing Amtrak routes. The West Coast and Southwest have significant new high-speed and regional lines proposed, especially connecting California cities ...

However, travelers need not wait for the fully realized Amtrak expansion to board one of the iconic rail lines already traversing the country. The California Zephyr, Amtrak's lengthiest long ...