Detroit, MI — A major interstate ramp near downtown Detroit has reopened after a livestock trailer with 38 cows overturned. Some animals had to be killed. The trailer crashed Monday when the driver was on a southbound Interstate 75 ramp from I-94.  Authorities cut a hole in the trailer to get access to the cows. It took hours to clear the scene. Some animals had to be euthanized. Lt. Mike Shaw of the state police says sometimes "it’s the most humane thing you can do."