Courtesy Raul Leal,  LAREDO – Effective today, March 10, 2011 from 9 a.m. to 4 p.m., alternating lane closures will be effect for southbound Loop 20 between International Blvd. and Shiloh Crossing and northbound Loop 20 between Shiloh Crossing to IH 35 for mill and inlay road work by Texas Department of Transportation Laredo Maintenance