Baku Subway (Baku underground, Baku tube, Baku metro) was built in 1967. It has 2 lines, 22 stations and it's length 33,1 km (20,6 miles) Baku Subway is the most convinient and most popular type of public transportation. All subway passangers use special electronic cards, which can be purchased or replenished at special cash terminals near the entrance to each subway station. The fare is 15 gapiks (~ $0.19 USD). Subway stations have security check points for passengers and carry-on luggage. ......... more