What do you think of the transportation?
= What do you think about the transportation?
= How do you like the transportation?
= How do you find the transportation?
= How do you feel about the transportation?
= What/How about the transportation?
What do you think of the transportation?
= What do you think about the transportation?
= How do you like the transportation?
= How do you find the transportation?
= How do you feel about the transportation?
= What/How about the transportation?