The Chinese maintain their rollin stock well. The stations are simply spotless. Every time a train pulls into station after a long journey, it gets a quick wash.
High-speed rail tracks are without ballast, and the rail itself is continuously welded. The construction tolerance must be within 1/10 of a millimeter even for the concrete ties.
High-speed rail tracks are without ballast, and the rail itself is continuously welded. The construction tolerance must be within 1/10 of a millimeter even for the concrete ties.