iowa highway iowa highway iowa state highway state iowa extends travels nearly miles mainly rich farmland small communities iowa provides important link passes campus portions route today date late 1830s president making iowa oldest routes state pre dating current primary highway system nearly eighty years highway seriously damaged iowa flood closed highway seven weeks route description iowa begins intersection iowa rural van county south passes gently rolling farmland miles entering river valley adjacent highway crosses river enters main street broad street iowa turned north headed town southern junction iowa highway runs parallel river river course bending sharply south birmingham iowa briefly overlaps iowa miles seven miles run north passing birmingham highway crosses south south highway meets new highway iowa bypass partial cloverleaf interchange iowa enters main street block iowa overlaps turning second street highway passes north iowa turns west blocks turns north fourth street northern edge highway passes iowa passes municipal airport city miles highway continues north jefferson iowa meets iowa intersection heading east intersection iowa iowa overlap seven half miles entering iowa splits north iowa turns south east north brighton crosses passes river mile wide valley miles iowa passes southern heading northeast washington washington iowa intersects iowa southwestern edge town highways curve north split miles later iowa passes flat farmland crossing south iowa skirts western edge intersects iowa highway continues north seven miles turning northeast miles iowa intersects iowa avenue saints diamond interchange southwestern edge iowa city curves north iowa city municipal airport intersecting riverside drive quarters mile iowa overlaps riverside drive crossing downtown iowa city iowa passes library old state capitol mall iowa turns north way governor street handles accompanying southbound lanes traffic way streets rejoin dodge street intersecting interstate diamond interchange iowa continues north miles passing intersects county road provides access lake state park miles southwest iowa turns northeast entering crossing entering intersects street iowa crosses northern edge iowa crosses major line iowa continues north enters half miles northeast iowa ends partial cloverleaf interchange history current iowa designated 1920s extending iowa near iowa near rochester iowa replaced primary road iowa city rochester replaced primary road iowa realigned north replacing iowa iowa city section approximately follows route territorial military road road authorized president known named merchant surveyed route marked route iowa original route result road bypasses town centers section iowa iowa city iowa unsigned iowa announced parts iowa super highways iowa mile section washington improved funding shortages project iowa flood flood waters caused closure iowa june floods major damage left repair work began july completed july major intersections
Iowa Highway 1