Olympia, Wash. An image of missing Portland boy Kyron Horman, along with the words Have you seen me? will appear on semi-trailers nationwide as part of a joint effort between the Multnomah County Sheriff s Office and the Washington State Patrol.

The effort is part of WSP s Homeward Bound program. Gordon Trucking, Inc. will be featuring the image (pictured, above) on its trailers.

Horman has been missing since June 4, 2010, when he disappeared from Portland s Skyline Elementary School. He and his stepmother had been at a science fair and he was last seen on his way to a class that morning.

Timeline: Search for Kyron Horman

Homeward Bound increases the public exposure of missing children, which generally increases the chance of recovery.

Three children abducted by their father in 2006 were reunited with their mother Jan. 14, after being featured in the Homeward Bound program.

More: Complete Kyron Horman Coverage

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