broad gauge: 5,523 km 1.520-m gauge (875 km electrified) (2000)
Belgium:
total: 3,437 km (2,446 km electrified; 2,563 km double
track)
standard gauge: 3,437 km 1.435-m gauge (1998)
Belize:
0 km
Benin:
total: 578 km (single track)
narrow gauge: 578 km 1.000-m gauge (2000)
Bermuda:
0 km
Bhutan:
0 km
Bolivia:
total: 3,691 km (single track)
narrow gauge: 3,652 km 1.000-m gauge; 39 km 0.760-m gauge (13 km
electrified) (1995)