Workers and law enforcement officers prepare to remove a bus after it hit a concrete overpass at Miami International Airport in Miami on Saturday, Dec. 1, 2012. The vehicle was too tall for the 8-foot-6-inch entrance to the arrivals area, and buses are supposed to go through the departures area which has a higher ceiling, according to an airport spokesperson. (AP Photo/Wilfredo Lee)

Associated Press
Workers and law enforcement officers prepare to remove a bus after it hit a concrete overpass at Miami International Airport in Miami on Saturday, Dec. 1, 2012. The vehicle was too tall for the 8-foot-6-inch entrance to the arrivals area, and buses are supposed to go through the departures area which has a higher ceiling, according to an airport spokesperson. (AP Photo/Wilfredo Lee)
Workers and law enforcement officers prepare to remove a bus after it hit a concrete overpass at Miami International Airport in Miami on Saturday, Dec. 1, 2012. The vehicle was too tall for the 8-foot-6-inch entrance to the arrivals area, and buses are supposed to go through the departures area which has a higher ceiling, according to an airport spokesperson. (AP Photo/Wilfredo Lee)