Wauconda resident Jason Weseman (right) watches as his son Cameron, 3, stands on the driver seat of his 1999 Peterbilt truck for his company Acres Group as they wait to depart in a truck convoy Saturday to raise funds for the Special Olympics of Illinois.

Wauconda resident Cameron Weseman, 3, smiles at his father Jason (not pictured) as Cameron sits on the driver seat of his father's 1999 Peterbilt truck for his company Acres Group as they wait to depart in a truck convoy to raise funds for the Special Olympics of Illinois at First Midwest Amphitheatre Saturday, Oct. 6, 2012, in Tinley Park. | Matthew Grotto~Sun-Times Media

New Lenox resident Andrew Bolte (right), a runner in the 3000-meter and 800-meter Special Olympics events, and his brother Steve (left), a truck driver for Carpenter Liquid Transporters, take in the scenery Saturday before a truck convoy departs First Mid

People gather before a truck convoy departs to raise funds for the Special Olympics of Illinois at First Midwest Amphitheatre Saturday, Oct. 6, 2012, in Tinley Park. | Matthew Grotto~Sun-Times Media

New Lenox resident Andrew Bolte, a runner in the 3000-meter and 800-meter Special Olympics events, takes in the scenery before a truck convoy departs First Midwest Bank Amphitheatre in Tinley Park on Saturday to raise funds for the Special Olympics of Ill

Trucks begin to line up to depart in a truck convoy to raise funds for the Special Olympics of Illinois at First Midwest Amphitheatre Saturday, Oct. 6, 2012, in Tinley Park. | Matthew Grotto~Sun-Times Media

Trucks begin to line up to depart in a convoy to raise funds for the Special Olympics of Illinois at First Midwest Amphitheatre Saturday, Oct. 6, 2012, in Tinley Park. | Matthew Grotto~Sun-Times Media

Griffith, Ind., resident Theresa LeBrun records video from Matteson's Village Commons overpass of a truck convoy as it heads south on Interstate 57 to raise funds for the Special Olympics of Illinois. LeBrun's husband, Rick, a driver for First Choice Logi

A truck convoy heads south on Interstate 57 at the Village Commons overpass to raise funds for the Special Olympics of Illinois Saturday, Oct. 6, 2012, in Matteson. | Matthew Grotto~Sun-Times Media