If you activate the Atlas and completely zoom out until you see the city overview, you'll notice three lines crossing the bride river. The both left ones are undoubtedly these two highway bridges (the left one being the Reeves bridge connecting Stamos to Chelsea), and the right one is inscribed as "aqueduct". Any clue what it means?

An aqueduct is a manmade canal used to bring water from point A to point B, if that's what you're asking.

 

On the other hand, if it is an accessible area or was ever planned to be, I do not know.

 

 

  It's the river that bisects the city.

yes i have heard that this along with the other point around the city being places or "constructs" that we where planned to be able to visit or play in.

I know what an aqueduct is, I just didn't take this bride river for an aqueduct and thought there was an additional aqueduct system between the south and north part of the city (i.e. Richland and Downtown) and where maybe there's a section of the tunnel that might be accessible. Of course, it was just out of curiousity.

If the mighty bridges aren't accessible, why should an invisible underground tunnel be? I just wanted to ask what it was, and apparently it's really this bisecting river.

i think this is where they kind of bend the rules... if you think about it its hard enough to have a whole world like ritchland open but to have ritchland inter westview and downtown all accesable at once the lag might be too much...so to get over this they introduced the aquaduct into the game (it is i believer in the movies too) this seperated them off....if you thinkabout it one way or another you need to go through a loading are to get to another district

it id b cool if the opened the other area around the DT , international ,westview and richland areas ,,, but they would leik need to build maps and stuff which would take leik 4 eva