sentences:  In December 2009, U.S. Transportation Secretary Ray LaHood announced a new edition of the "Manual on Uniform Traffic Control Devices", incorporating changes recommended by the National Transportation Safety Board.One of the changes, in response to the inadequate marking of an HOV lane exit at Northside Drive in Atlanta, is the addition of different lane markings for lanes not continuing beyond an intersection or interchange to give drivers more warning that they need to switch lanes if they don’t intend to turn.A bill introduced would require safety belts and better protection like anti-ejection windows in charter buses.