High-Speed Rail

What’s inside

• What operating speed is commonly used internationally as the threshold for a new high-speed rail line?
• Which railway service is widely recognized as the world's first regular high-speed passenger service?
• What is the primary engineering purpose of superelevation, or track cant, on a high-speed curve?
• Which feature most directly reduces aerodynamic pressure waves when a high-speed train enters a tunnel?
• The first Tokaido Shinkansen service began in [____].
• A railway line designed specifically for high-speed operation is often called a [____] line.
• The system that continuously monitors train position and can automatically enforce speed limits is known as [____]…
• The French high-speed train system is commonly known by the acronym [____].