Metropolitan Planning is a national project reduces the cost of new cities by $150million for a total of $300million reduced from the original cost with both pre-requisites. It requires Urban Planning, Advanced Urban Planning and 21 cities to build.
This project costs 60,000 aluminum 
, 40,000 steel 
, 30,000 uranium 
, 15,000 lead 
, 15,000 iron 
, 15,000 bauxite 
, 10,000 oil 
and 10,000 coal 
.