Probably 99% of these rails and roadbeds aren’t suitable for any traffic more demanding than 1950. Most industrial or wannabe-modern nations work at keeping the capability of their national rail system up-to-date. Or better.
Lots more in the article. Trump and the TeaPublican Party assign themselves the mantle of modern with their proposal for advancing, rebuilding infrastructure. It’s about 10% of the commitment the Chinese government has assigned for that nation.
Don’t worry, we’ll show ’em. Guaranteed we can spend more for less than anyone in the world.