Check out SRS Crisafulli (www.crisafulli.com). We used one of their products in lieu of a "traditional" pumping station to eliminate flooding at our municipal building. Very cost effective solution.
"Residential Streets", 3rd Edition, is a joint publication of Urban Land Institute, Nat'l Assoc. of Home Builders, ASCE and ITE. It recommends dead-end street length controlled by traffic volume, and therefore housing density. Max. vehicle trips per day should be about 200. Using 8 to...