GMA 40-for-40 bus tour begins in Chicago Tuesday

CHICAGO (WLS) -- ABC's "Good Morning America" is turning 40 this month and they want you to them help celebrate.

The GMA 40-for-40 bus tour will hit the road Tuesday, starting in Chicago. The tour is part of a 40-hour marathon broadcast celebrating GMA past and present.

You can get in on the fun Tuesday morning beginning at 5 a.m., on North Avenue Beach.