Foucart has adduced epigraphic reasons for dating the work of Hippodamus here to 480-470 B.C.
(_Journal des Savants_, 1907, pp.

178-82); they are not conclusive, but, if he be right, the difficulty of assigning the Piraeus and Rhodes to the same architect becomes even greater.
The town-plan of Piraeus given by Gustav Hirschfeld (_Berichte der sachs.Ges.der Wissenschaften_, 1878, xxx.

I) is not convincing, nor do I feel very sure even about Milchhoefer's results.
If we cannot tell exactly how Hippodamus planned cities or exactly which he planned, still less do we know how far town-planning on his or on any theory came into general use in his lifetime or indeed before the middle of the fourth century.

Few Greek cities have been systematically uncovered, even in part.

Fewer still have revealed street-planning which can be dated previous to that time.