This completed the 500 miles "Blue-Line" fiber optic network that links 16 cities in the lower half of Michigan's lower peninsula (Kalamazoo, Grand Rapids, Muskegon, Big Rapids, Mt. Pleasant, Midland, Saginaw, Flint, Pontiac, Rochester, Southfield, Ypsilanti, Ann Arbor, Jackson, East Lansing, and Battle Creek). [