October 6, 2023

Operational and Under Construction Subway Systems (chart) 2023

Number of operational and under construction subway systems by country. Counties with more than one heavy subway system or metro are shown. In recent years construction of subway system have accelerated since it became the most efficient way to solve traffic congestion problems in large cities. Total number of subway system under construction now is 26.

Operational and Under Construction Subway Systems (table) 2023

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See also:
Number of Subway Systems by Country 2023
Production of Cars and Commercial Vehicles by Country 2022