In recent years, the "Penn bubble" is said to have expanded further west.

The campus continues to expand west toward the Congaree River in support of its research initiatives (see below).

First national fraternity to expand west of the Mississippi River.

But neither could the Aquilonians expand west again after this spectacular failure.

The route was expanded west of Wells to Winnebago in 1949.

In order to expand further west, the river needed to be crossed.

The borders of Ontario were provisionally expanded north and west.

The borders of Ontario, its new name in 1867, were provisionally expanded north and west.

The new lines will significantly expand the subway's coverage, especially south and west of the city.

In addition to its desire to expand west of the mountains, the United States wanted to acquire Florida.