narrow gauge: 487 km (1996)

Russia:
total: 149,000 km

note: 86,000 km are in common carrier service; 63,000 km serve
specific industries and are not available for common carrier use;
40,000 km of the railway in common carrier use are electrified

broad gauge: 149,000 km 1.520-m gauge (1998)

Rwanda:
0 km

Saint Helena:
0 km

Saint Kitts and Nevis:
total: 58 km

narrow gauge: 58 km 0.762-m gauge on Saint Kitts to serve sugarcane
plantations (1995)

Saint Lucia:
0 km

Saint Pierre and Miquelon:
0 km

Saint Vincent and the Grenadines:
0 km

Samoa:
0 km

San Marino:
0 km; note - there is a 1.5 km cable railway connecting
the city of San Marino to Borgo Maggiore

Sao Tome and Principe:
0 km

Saudi Arabia:
total: 1,390 km

standard gauge: 1,390 km 1.435-m gauge (448 km double track) (1992)

Senegal:
total: 906 km

narrow gauge: 906 km 1.000-meter gauge (70 km double track)

Seychelles:
0 km

Sierra Leone:
total: 84 km used on a limited basis because the mine
at Marampa is closed

narrow gauge: 84 km 1.067-m gauge

Singapore:
total: 38.6 km

narrow gauge: 38.6 km 1.000-m gauge

note: there is a 83 km mass transit system with 48 stations

Slovakia:
total: 3,660 km

broad gauge: 102 km 1.520-m gauge

standard gauge: 3,507 km 1.435-m gauge (1,505 km electrified; 1,011
km double track)

narrow gauge: 51 km (46 km 1,000-m gauge; 5 km 0.750-m gauge) (1998)

Slovenia:
total: 1,201 km

standard gauge: 1,201 km 1.435-m gauge (489 km electrified) (1999)

Solomon Islands:
0 km

Somalia:
0 km

South Africa:
total: 21,431 km

narrow gauge: 20,995 km 1.067-m gauge (9,087 km electrified); 436
km 0.610-m gauge (1995)

Spain:
total: 13,950 km

broad gauge: 12,781 km 1.668-m gauge (6,358 km electrified; 2,295
km double track)

standard gauge: 525 km 1.435-m gauge (525 km electrified)

narrow gauge: 644 km 1.000-m gauge (438 km electrified) (1998)

Sri Lanka:
total: 1,463 km

broad gauge: 1,404 km 1.676-m gauge

narrow gauge: 59 km 0.762-m gauge (1996)

Sudan:
total: 5,311 km

narrow gauge: 4,595 km 1.067-m gauge; 716 km 1.6096-m gauge
plantation line

note: the main line linking Khartoum to Port Sudan carries over
two-thirds of Sudan's rail traffic

Suriname:
total: 166 km (single track)

standard gauge: 80 k