The High-Speed Case for State Control of Transportation Funding | The Foundry: Conservative Policy News.

Heritage Foundation doesn't like HSR either. The High-Speed Case for State Control of Transportation Funding

That brief article links to a longer one by Ron Utt which I had not previously seen: America's Coming High-Speed Rail Financial Disaster

I don't know why HSR support breaks down along party lines, there should be a good political science theory in here somewhere though.