The estate of a man who died after a semitrailer truck struck him while working in a construction zone in Elmhurst has settled its wrongful-death suit for $5.9 million.Plaintiff Mary Kriete-Green sued the trucking company, general contractor, subcontractors, an Illinois Department of Transportation employee and engineers of the project in Cook County Circuit Court in 2011, alleging the construction companies did not follow required IDOT safety standards.The defendants were the truck driver, Martin Montelongo; Adans …