History Link 101 is a site developed for World History Classes, by a World History Teacher. Click on the Typology link on the left side of this page. Then select your items in the top right frame. This site from University of Virginia allows you to create you own map of Rome. It will allow you to have the street plan or the topography as the base map and you may choose a number of other items.
Some examples are marshy areas, bridges, aqueducts, fountains and much, much, more.
Be careful not to request too many items per map, especially if you have a slower Internet connection. R3020 Maps of Roman City Five maps showing Topography, City Walls, Buildings, Plans of major buildings, and one of the Ancient City. 3 sets of map in middle of page. The pictures can be view in a CAD type program with some options to manipulate. A R3120 European Maps from 1-700 A.D. Can click on maps to enlarge.