"major avenues" is correct and usable in written English.
It can be used to refer to large streets or roads. For example: "The city is laid out with an array of major avenues and smaller side streets."
At this time, the major avenues were laid out and construction of the major ceremonial structures along the Avenue of the Dead began.
In Raleigh, major avenues downtown were blocked by fallen trees.
Major avenues and a railroad connect the city with downtown Havana.
Barnes was also instrumental in completing the one-way conversion of major avenues in New York.
Next, the major avenues for wound healing drugs, along with drugs currently in development, are discussed.
He defines prime as "on the park, the waterfront, West Broadway in SoHo, Midtown, on one of the major avenues".
The Zeppo focuses on one, somewhat secondary character, while Hush removes one of the major avenues for storytelling in sound.
Quintard Street is the southwestern boundary; McClean and Major Avenues are the other major lines of demarcation.
International cooperation on climate change adaptation is regarded as one of the major avenues to reduce vulnerability in developing countries.
Uneven and wandering, the stripe runs up major avenues and across narrow streets, sometimes prominent, at other times so faint and worn that it is barely visible.
Today, debate endures about the grid, which mapped out 11 major avenues and 155 crosstown streets along which modern Manhattan would rise.
