Tuskegee Airmen Virgil Poole, 91, of Glenwood (center) and Robert Martin, 93, of Olympia Fields (right) autograph a mock-up of a new highway marker sign naming a portion of I-57 in the honor of the Tuskegee Airmen during a dedication ceremony at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Tuskegee Airmen autograph a mock-up of a new highway marker sign naming a portion of I-57 in the honor of the Tuskegee Airmen during a dedication ceremony at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Members of the Tuskegee Airmen watch a video presentation on the history of their unit during a dedication ceremony naming a portion of I-57 in their honor at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Members of the Tuskegee Airmen stand and are recognized by people attending a dedication ceremony naming a portion of I-57 in their honor at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Tuskegee Airmen representative Bev Dunjill (left) and Illinois Gov. Pat Quinn (right) unveil a mock-up of a new highway marker sign naming a portion of I-57 in the honor of the Tuskegee Airmen during a dedication ceremony at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Tuskegee Airmen representative Bev Dunjill (left) and Illinois Gov. Pat Quinn (right) shake hands after unveiling a mock-up of a new highway marker sign naming a portion of I-57 in the honor of the Tuskegee Airmen during a dedication ceremony at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Illinois Gov. Pat Quinn (right) and Illinois Department of Transportation Secretary Ann Schneider hold up a mock-up of a new highway marker sign naming a portion of I-57 in the honor of the Tuskegee Airmen during a dedication ceremony at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Illinois Department of Transportation Secretary Ann Schneider shakes the hand of Tuskegee Airmen Bev Dunjill as she and Illinois Gov. Pat Quinn (right) hold up a mock-up of a new highway marker sign naming a portion of I-57 in the honor of the Tuskegee Airmen during a dedication ceremony at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Illinois Department of Transportation Secretary Ann Schneider shakes the hand of Tuskegee Airmen Bev Dunjill as she and Illinois Gov. Pat Quinn (right) hold up a mock-up of a new highway marker sign naming a portion of I-57 in the honor of the Tuskegee Airmen during a dedication ceremony at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Tuskegee Airman Robert Martin, 93, of Olympia Fields, stands and listens to the U.S. national anthem, "The Star-Spangled Banner," and the black national anthem, "Lift Every Voice and Sing," during a dedication ceremony naming a portion of I-57 in the honor of the Tuskegee Airmen at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Joan Taylor, who is a widow of Tuskegee Airmen pilot George Taylor, shares a laugh with Melvin Knazze Sr. during a dedication ceremony naming a portion of I-57 in the honor of the Tuskegee Airmen at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Alex Huff, 7, of Chicago, poses for a photo with the Tuskegee Airmen Memorial Trail sign mock-up during a dedication ceremony naming a portion of I-57 in the honor of the Tuskegee Airmen, at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. His mother, Alexis Huff, wanted him there to see history. | Joseph P. Meier~Sun-Times Media

Autograph seeker Norman Hadley, of Chicago, presents a 1996 GI Joe Tuskegee Airmen Classic Collection Limited Edition figure to be signed by Tuskegee Airman LaVerne Shelton following a dedication ceremony naming a portion of I-57 in the honor of the Tuskegee Airmen, at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media

Members of the Tuskegee Airmen work through the crowded village board room for a dedication ceremony naming a portion of I-57 in their honor at Markham City Hall in Markham, Illinois, Monday, February, 20, 2012. | Joseph P. Meier~Sun-Times Media