Courtesy Raul Leal,  LAREDO – Effective Sunday, August 28, 2011 from 12 a.m. to 9 a.m., alternating lane closures will take place on US 83 Eastbound ( Chihuahua St. ) at McClelland Ave. to facilitate pavement repair work by City of Laredo work crews.  Motorists are urged to SLOW DOWN, MERGE TO OPEN LANE(S) and