As of April 15, 2022, Apple has quietly added cycling directions for the parts of the Midwest covered in Expansion #6, including Chicago (pictured below), Detroit, Indianapolis, Cleveland, Columbus, Cincinnati, and Charleston:

This includes all of Ohio and West Virginia, as well as parts of Illinois, Indiana, Michigan, and Virginia.

Earlier this month—on April 1, 2022—Apple quietly added cycling directions for the parts of the Northeast covered in Expansion #5:

This all suggests that future expansions of Apple Maps’s cycling feature might start following Apple’s initial map expansions. (If so, this suggests that Texas and the Gulf Coast are the most likely areas to receive cycling directions next.)

In the meantime, here’s Apple’s current U.S. coverage for its cycling directions feature: