1
|
underground
|
US
|
Subway systems are common means of public transportation
|
1
|
2
|
underground
|
US
|
Subway systems are common means of transportation
|
1
|
3
|
underground
|
United States
|
London Underground is a widely used public transportation system.
|
1
|
4
|
underground
|
United States
|
Subway systems and underground railways are common means of public transportation.
|
1
|
5
|
underground map
|
US
|
Less commonly used due to less extensive public transportation systems, with a greater focus on individual car travel
|
1
|
6
|
underground map
|
US
|
Less commonly used due to reliance on other forms of transportation or different layout of train networks
|
1
|
7
|
underground map
|
United States
|
Less commonly used due to reliance on cars and less extensive public transportation networks in many cities
|
1
|
8
|
underground map
|
United States
|
Less commonly used due to reliance on other forms of public transportation
|
1
|
9
|
underground map
|
United States
|
Less commonly used, as public transportation networks are not as extensive or relied upon for daily travel
|
1
|