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.
Dates to the mid-1950s. The Random House Historical Dictionary of American Slang suggests it may be from a reduplication of the first syllable in moron or it may be from the dialectical Italian mammoccio meaning stupid rascal. Recently used as the name of a character in the film Get Shorty. What a momo! See more words with the same meaning: unintelligent person, idiot.