High-speed rail still struggles in the United States despite public interest, while other major economies run extensive networks.

The article says the gap affects regional commerce, carbon reduction goals and commuter efficiency.

Building dedicated tracks requires massive capital, long-term legislative backing and complex public-private partnerships.

Hurdles listed include high land costs, eminent domain legal battles and shifting political support.

Unlike highways and aviation, passenger rail often struggles to prove quick profitability, deterring private investors.

Long distances and low population density in many regions may not justify huge construction costs.

Freight companies own most US track miles, so passenger trains often yield to cargo and face delays.

Environmental reviews and local zoning laws can delay projects for decades and inflate budgets.

The article says regional corridors may improve, but a nationwide high-speed network remains a distant prospect.

Read the full article on why high-speed rail struggles in America.