Between late 1962 and early 1964 the east ends of the platforms were extended to allow longer 8-car trains to be operated.

In 2011, the northern end was extended as part of the M80 completion project.

The southern end was again extended around 1900 to add a sidewalk to the road.

In this year, the southwest end was also extended to K-10.

The route remained unchanged since then until 1992, when its eastern end was extended one block east.

The east end of the church (the rear of the building) was extended in 1927.

When the eastern end of the choir was extended in the early 14th century, new stalls were ordered.

Between 1976 and 1977, the east end of Route 84 was extended slightly to meet I-155.

In 1908, the top points dead end was extended for longer trains, only to be replaced in 1910.

The east end of the strip was extended approximately twenty feet past the natural shoreline.