Gyeongbu High Speed Railway was created in 2004.
Ankara-Konya high-speed railway was created in 2011.
Istanbul-Ankara high-speed railway was created in 2009.
Its not necessarily heavier (thicker is the wrong term), but it is more carefully aligned - and the curves are gentler.
High Royds railway station was created in 1854.
Falkirk High railway station was created in 1842.
High Wycombe railway station was created in 1854.
Lugton High railway station was created in 1919.
Bonnybridge High railway station was created in 1842.
High Field railway station was created in 1854.
High Brooms railway station was created in 1893.
High Rocks railway station was created in 1942.
High Royds Hospital Railway was created in 1883.