There is a site called WorldChanging.com that is running a number of excellent images based on the passage of a HSR proposition in California. They include some great comparisons between U. S. proposed corridors and the European situation.
Here is Exhibit One.
From Current TV:
The 800-mile network of trains would operate at upwards of 220mph and cost around $45 billion to construct, but it’ll create 320,000 permanent jobs by 2030 and reduce the state’s reliance on fossil fuel by 12.7 million barrels of oil per year.