ROANOKE, Va. (AP) _ The Commonwealth Transportation Board is holding public meetings this week on the state’s six-year highway improvement plan. One meeting is scheduled for 6:30 p.m. Tuesday at Northside High School. The other meeting will be held Wednesday in Bristol at the Holiday Inn Bristol Conference Center. Similar meetings have been held in Lynchburg, Chesapeake, Richmond, Fredericksburg, Weyers Cave, Fairfax and Culpeper. The board allocates funding for essential highway, bridge, rail and other transportation projects. In June, board members approved a final $13 billion transportation blueprint for Virginia over the next half-dozen years.