A western extension of the line is under construction.

That September, $77 million in bonds were sold for construction of the western extension.

The arches that open into the western extension of the aisles are modern.

In 1906, a western extension of Old Main was completed.

The western extension to Interstate 70 was built in the late 1980s and early 1990s.

The western extension is of three floors entered by a separate ground floor door.

She released the fire in the western extension and gave that part of her attention to the door.

The western extension was the first to open to traffic.

It is part of the western extension of that line.

M-57 was lengthened after a western extension in late 1948 or early 1949.