I guess the Physity map with the objects was just a map to test the behavior of the breakable objects. Like the mapname says "Physity" ...just a physics test.

Nice to see that someone can remember my Lost City track! There are more left-overs in different versions of MM2. I remember that they have left a kind of ped-editor/viewer in the french version. Also a traffic-file (BAI) for the city.psdl were left somewhere. I don't know exactly in which version. ...

Show us a wireframe, please.

Oh, this is a lot easier! Didn't know that you can use MM2CT to make bridges.

Have a look at the "nameofyourcity_bridge.pathset" inside the "race/nameofyourcity" folder. It's a pathset file that is used to place bridges (like the London Tower Bridge).

To generate props automatically, you have to use the "ROADS"-Section of the PSDL File. You can't use MM2CT to do this, you need PSDL Viewer from fre_ber. The CVS-Files are used to define the Props which are placed along the roads by PSDL. Have a look at the Standard-Cities to see how it wo...