The minimum and usual mainlane width is 12 ft [3.6 m]. The number of lanes required to accommodate the anticipated traffic in the design year is determined by the level of service evaluation as discussed in the Highway Capacity Manual.
Adj. groovy is 1853 in lit. sense of of a groove; 1937 in slang sense of excellent, from jazz slang phrase in the groove (1932) performing well (without grandstanding).. As teen slang for wonderful, it dates from 1944; popularized 1960s, out of currency by 1980.
Both the noun and the verb came into use around 1785. Savvy is based on the Portuguese term sabe, meaning he knows, which itself is from Latin sapere, meaning to be wise.. Creole speakers interpreted the Portuguese term as sabi and began using it as one would know.. Eventually, the Creole's sabi evolved into savvy.