Safety Agency Defends Guardrail Test AARON M. KESSLER and DANIELLE IVORY The federal agency charged with investigating a potentially dangerous guardrail defended its methods of analysis after facing criticism on Friday. March 16, 2015 at 12:00AM http://nyti.ms/1HV190r The New York Times Business Day Traffic Accidents and Safety, Automobile Safety Features and Defects, Roads and Traffic

By AARON M. KESSLER and DANIELLE IVORY via NYT / Eethg. Corps. Inc. / Terrence Herschel G. Business Day http://nyti.ms/1HV190r Safety Agency Defends Guardrail Test March 16, 2015 at 12:00AM The New York Times