5 ft 6 in gauge railway
Operational Installations

5 ft 6 in gauge railway

Section Title: Operational Installations
Table Section Text: None

Country/territory	Railway	Route length	Notes

Argentina	San Martín Railway	operating

Argentina	Sarmiento Railway	operating

Argentina	Mitre Railway	except Tren de la Costa in standard gauge; operating

Argentina	Roca Railway	except La Trochita, Central Chubut Railway and Ramal Ferro Industrial Río Turbio [es] in 750 mm (2 ft 5 1⁄2 in) gauge; operating

Bangladesh	Bangladesh Railway	682 km (424 mi)	operating

Chile	*Empresa de los Ferrocarriles del Estado	operating

India	Indian Railways	67,368 km (41,861 mi)	operating

India	Delhi Metro	65 km (40 mi)	Phase-1 lines only; operating

India	Kolkata Metro	27.22 km (16.91 mi)	Line 1 only; operating

Iran	Zahedan to border with Pakistan	operating

Nepal	Nepal Railways	59 km (37 mi)	operating

Pakistan	Pakistan Railways	7,791 km (4,841 mi)	operating

Sri Lanka	Sri Lanka Railways	1,508 km (937 mi)	operating

United States	Bay Area Rapid Transit (BART) San Francisco Bay Area	109 mi (175 km)	operating

Sentence(s)

The Bay Area Rapid Transit system is the only operating railroad in the United States to use 1,676 mm (5 ft 6 in) gauge, with 109 miles (175 km) of tracked routes.

final_sentence: The Bay Area Rapid Transit system is the only operating railroad in the United States to use 1,676 mm (5 ft 6 in) gauge, with 109 miles (175 km) of tracked routes.