An important element in the safety of many high-speed inter-city networks such as Japan's Shinkansen is the fact that trains only run on dedicated railway lines, without level crossings.
Elemen penting dalam keamanan banyak jaringan antarkota berkecepatan tinggi seperti Shinkansen Jepang adalah fakta bahwa kereta itu hanya berjalan di jalur kereta api khusus, tanpa perlintasan sebidang.