Railrway infrastructure
Railway infrastructure include railroad, stations, and railway safety systems.
Railroad
Railroad is constructed with rails, fasteners, sleepers, ballast (or slab track) and underlying subgrade. Some countries have different distance betwen rails. a
Normal is 1435mm, > are Broad gauge and < are Medium gauge
For example: Russian 1,520 mm (4 ft 11 5⁄6 in)
Indian 1,676 mm (5 ft 6 in)
Standard 1,435 mm (4 ft 8 1⁄2 in)
Bosnian 760 mm (2 ft 5 15⁄16 in)
Types of sleepers:
Railroad with cement sleepers
Railroad with wooden sleepers
Railroad with steel sleepers
Train stations
...are places where we loading and unloading wagons with cargo or people. So we have passenger and freight stations. Every station have platforms and gauges. Platform is a section of pathway, alongside rail tracks at a railway station, metro station or tram stop, at which passengers may board or alight from trains or trams. Almost all stations used for rail transport have some form of platform, with larger stations having multiple platforms.
Hamburg train station (passanger station)
Freight station Brajdica (Croatia)
Some types of fasteners:
SKL fastener
K type fasteners on wooden sleepers
SKL 2 (left) and SKL 12 (right) fastener on wooden and cement sleeper
Railway safety systems
Thats are signals, junctions, railway crossings and other safety systems on railroad.
Railway crossing
Junctions