Identifying the Selected Alternative was a multi-step process that included leadership in both states, the community and state and federal agencies. Central Alternative 1B is the Selected Alternative for the following reasons: Fewest residential relocations No commercial relocations Fewest impacts to the following resources: Wetlands Linear feet of streams Floodways Forested habitat and potential habitat for the federally endangered Indiana bat and federally threatened northern long-eared bat Managed lands Section 4(f) resources including publicly owned parks, recreation areas, wildlife and waterfowl refuges, or public and private historic properties Sites with recognized environmental conditions, such as hazardous substances or petroleum products Cross-river route redundancy for the region Lowest total cost