The brightness of the lights is adjusted based on the conditions outside to give drivers a smooth transition in and out of the tunnels.

[3] The control cities at the interchange are Downtown Milwaukee to the north, Chicago to the south and a combination of Beloit, Madison and Fond du Lac to the west.

[4] The Mitchell Interchange opened in 1966; its original design consisted of seven roadway bridges, serving only I-94 and I-894.

Other work on the project included the construction of thirteen new bridges and the installation of retaining walls.

The fast pace of the project required work to be done seven days a week.

Collector-distributor lanes were added along both sides of I-94 from College Avenue to South 13th Street.

The reconstruction was named as one of Roads & Bridges magazine's top ten projects of 2012.