Parking spots for trucks are in short supply around the country, and the problem can lead to unsafe situations for long-haul truck drivers and other motorists.
The federal aviation agency plans to form a panel to look into the potential risks posed by a fatigued work force, after a spate of close calls this year.
James Cooper, 46, crashed into a Secret Service vehicle as the president was exiting an event at his campaign headquarters in Wilmington on Sunday, the police said.