Tier 1 final environmental impact statement

793358245Tier 1 final environmental impact statement.PDFTech ReportIMN-029-3(62)54--13-78Environmental impactsEnvironmental impact analysisHighway planningTransportation planningCounty roadsPrimary highwaysState highwaysInterstate highwaysIowaIowa. Dept. of TransportationIowa. Dept. of TransportationUnited States. Federal Highway AdministrationNTL-ENERGY AND ENVIRONMENT-Environment ImpactsNTL-PLANNING AND POLICY-PLANNING AND POLICYUS Transportation CollectionThe Iowa Department of Transportation (Iowa DOT), Nebraska Department of Roads(NDOR), and the Federal Highway Administration (FHWA) are proposing improvementsto the interstate system in the Omaha/Council Bluffs metropolitan area, extending acrossthe Missouri River on Interstate 80 (I-80) to east of the Interstate 480 (I-480) interchange inOmaha, Nebraska (see Figure 1-1). The study considers long-term, broad-basedtransportation improvements along Interstate I-29 (I-29), I-80, and I-480, includingapproximately 18 mainline miles of interstate and 14 interchanges (3 system1, 11 service),that would add capacity and correct functional issues along the mainline and interchangesand upgrade the I-80 Missouri River Crossing. These improvements, once implemented,would bring the segments of I-80 and I-29 up to current engineering standards and modernizethe roadway to accommodate future traffic needs