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With the rapid development of Beijing's rail transit, the number of subway lines has also changed from the original Line 1 and Line 2 to the current Line
16.
But in the 60 years of planning, Beijing Subway Line 3 has been hidden and has not
appeared.
This month, the first phase of Line 3, planned at the same time as Lines 1 and 2, finally started construction
.
With the rapid development of Beijing's rail transit, the number of subway lines has also changed from the original Line 1 and Line 2 to the current Line
16.
But in the 60 years of planning, Beijing Subway Line 3 has been hidden and has not
appeared.
This month, the first phase of Line 3, planned at the same time as Lines 1 and 2, finally started construction
.
