Longman Dictionary of Contemporary English
main drag
noun
EXAMPLES FROM CORPUS
▪ Eventually he turned off the main drag into the sidestreets and from there it was only minutes before he reached Hesper Mews.
▪ He turns off the main drag.
▪ Our hotel, the four-star Elea Beach, stands off the main drag at the end of a quiet lane.
Wiktionary
main drag
n. 1 (&lit main drag English) 2 (context informal English) The main street of a town or suburb, or the principal highway passing through a rural area.
WordNet
main drag
n. the main street of a town or city