Maryland State Police state that a Frederick man was killed in a crash while he was pushing his disabled car on I-70 with his 12 year old daughter behind the wheel. Police say 30 year old Adam Gammon stopped his chrysler 200 on South Mountain, Tuesday, behind a disabled tractor trailer and a pick up truck that was there to help. Gammon and his son got out the car to push , and he told his daughter to steer around the the trailer so they could move forward. As they turned into traffic Gammon was hit by a Ford Taurus. Read Here For More Details.