Table 2 Circuity metrics across metro networks.

Amsterdam

1.5

6.5

Athens

2.1

6.8

Atlanta

1.3

16.8

Berlin

2.1

5.6

Bilbao

1.9

2.8

Boston

2.3

9.2

Brussels

2.2

3.9

Budapest

2.4

3.5

Buenos Aires

2.7

4.4

Cairo

2.1

2.2

Chicago

2.4

9.0

Copenhagen

1.4

2.7

Dubai

1.5

5.1

Hyderabad

1.8

4.6

Kobe

2.5

11.2

Lille

2.0

1.9

Lisbon

1.8

3.2

London

2.0

1.7

Lyon

2.3

4.0

Madrid

2.4

6.5

Marseille

2.4

4.6

Milan

2.2

3.7

Montreal

1.8

6.0

Naples

3.5

8.4

New York

2.3

7.9

Nuremberg

2.1

4.1

Oslo

2.7

9.6

Paris

2.5

3.4

Philadelphia

2.0

8.1

Prague

1.6

3.4

Rome

2.3

5.7

Rotterdam

1.8

8.0

San Francisco

0.9

12.3

Santiago

1.5

5.6

Stockholm

2.3

6.7

Toronto

2.0

4.7

Toulouse

2.3

1.9

Valencia

2.1

4.6

Vancouver

1.7

5.4

Vienna

2.0

4.9

Warsaw

1.7

2.8

Washington

1.9

9.1