U.S. 41 & 151st Ave Intersection Improvement in Lake County (Des 2003098) INDOT About INDOT Central Office Welcome to the LaPorte District Current: U.S. 41 & 151st Ave Intersection Improvement in Lake County (Des 2003098) This page covers the U.S. 41 & 151st Ave Intersection Improvement project in Lake County.Project Documents:Public Hearing PresentationLegal notice of planned improvementDesign plansEnvironmental document