1 route description
1.1 western iowa
1.2 central iowa
1.3 eastern iowa
route description
us 6 cross-state route connects council bluffs , davenport way of des moines , iowa city. route parallels i-80 of length; one-third of route overlaps interstate highway. while route away i-80, us 6 two-lane highway rural speed limit of 55 miles per hour (90 km/h). however, between adel , waukee, roadway four-lane divided highway has speed limit of 65 mph (105 km/h).
western iowa
us 6 crosses missouri river via grenville dodge memorial bridge council bluffs i-480. three-quarters mile (1.2 km) state, i-480 ends @ interchange i-29. us 6 heads east along broadway, overlapped iowa 192 on 1.5 miles (2.4 km). on eastern side of council bluffs, intersects i-80 , continues due east. near oakland, highway follows north–south us 59 2 miles (3.2 km). near lewis, road turns north-northeast until reaches atlantic. in atlantic, route turns east , heads towards downtown meets iowa 83. us 6 / iowa 83 travel eastern side of atlantic meet us 71. 3 routes run 4 miles (6.4 km), when us 6 / 71 split away iowa 83 , continue north i-80. @ i-80, us 6 leaves 71 , joins i-80. @ point, us 6 begins first of 3 instances when traffic routed along i-80. in eastern part of cass county, 2 routes meet northern end of iowa 148.
as i-80 , us 6 approach adair, , highways curve south bypass community. there 2 interchanges in adair; both of intersecting roads, @ 1 time or another, carried us 6. county road g30 (cr g30), white pole road, original alignment of us 6, while cr n54 has not carried us 6 since 1980. further east interchange iowa 25. 1 mile (1.6 km) south of interchange freedom rock. each year memorial day, rock repainted patriotic scene local artist ray bubba sorenson ii. near dexter, i-80 , us 6 graze northwestern corner of madison county. after 2 miles (3.2 km), routes enter dallas county , meet cr f60, former alignment of us 6. near cr f90 / cr p58 interchange, start heading northeast towards des moines. @ de soto, us 6 splits away i-80 @ interchange us 169.
central iowa
at de soto, us 6 turns north, overlapping us 169 5 miles (8.0 km) adel. east of adel, us 6 four-lane divided highway 14 miles (23 km), during which, passes through waukee, clive, , urbandale along hickman road, , intersects i-35 / i-80. on next 2 miles (3.2 km), serves border between urbandale , windsor heights. @ 63rd street in des moines, us 6 intersects iowa 28. one-half mile (800 m), us 6 / iowa 28 run on hickman road. turning north, run mile (1.6 km) along merle hay road. @ douglas avenue, us 6 splits away iowa 28 , continues east, becoming euclid avenue west of des moines river. in north-central des moines, intersects us 69 , i-235. in northeast des moines, turns northeast along hubbell avenue, takes us 6 altoona. west of altoona, intersects us 65 , continues northeast passing adventureland theme park , prairie meadows casino. in northwest altoona, us 6 intersects i-80 , us 65. here, us 6 rejoins i-80 second time. after third exit altoona, interstate resumes 70 mph (115 km/h) rural limit. near colfax, highways cross south skunk river. after interchange iowa 117, highway forced north avoid crossing river multiple times. roadway returns south original line, meets cr f48, former alignment of us 6.
us 6 between newton , grinnell
at newton, us 6 splits away i-80 @ iowa 14 interchange. us 6 overlaps iowa 14 one-third mile (540 m). turns off of iowa 14 , enters western side of newton passes jasper county courthouse located in downtown area. between newton , grinnell, route has more hills , curves. highway crosses north skunk river near kellogg. @ grinnell, intersects iowa 146 southwest of grinnell college campus. east of grinnell, route straightens out , overlapped us 63 2 miles (3.2 km) , iowa 21 4 miles (6.4 km). near victor, us 6 takes northeasterly course through ladora towards marengo. @ marengo, intersects eastern end of iowa 212. 5 miles (8.0 km) east of marengo western end of iowa 20. here, us 6 forms southern leg of amana colonies trail. 3 miles (4.8 km) later, s joined us 151 2 miles (3.2 km). us 6 heads southeast towards tiffin , passes underneath i-380, not have direct access.
eastern iowa
at coralville, us 6 passes underneath i-80, one-half mile (800 m) east, coral ridge avenue provides direct access i-80. entering iowa city, highway passes campus of university of iowa, main hospital, , va hospital. us 6 curves south adjacent iowa river, meets , overlaps iowa 1 one-half mile (800 m). us 6 , iowa 1 go in separate directions @ signal controlled intersection, where, less one-quarter mile (400 m) away, us 6 crosses iowa river. iowa city, heads in east-southeast direction towards west liberty. highway enters west liberty northwest corner , curves southward. @ northern end of iowa 70, turns east again towards atalissa , wilton. ten miles (16 km) southwest of wilton, road crosses cedar river. 3 miles (4.8 km) south of wilton, highway overlaps iowa 38 , 2 routes head towards i-80. @ wilton interchange along i-80, iowa 38 turns west , us 6 turns east onto interstate, respectively.
as i-80 , us 6 approach quad cities metropolitan area, speed limit drops again 65 mph (105 km/h). within city limits of davenport i-280 interchange. us 6 exits south join i-280. us 61 joins i-280 @ interchange, opposite direction. us 6 overlaps i-280 / us 61 four-fifths mile (1.3 km) before exiting onto kimberly road. heading southeast davenport, us 6 two-lane highway 3 miles (4.8 km). @ fairmount street, becomes four-lane divided highway , straightens out head due east. near northpark mall, intersects northwest boulevard, becomes iowa 130 @ i-80, , both one-way legs, welcome way southbound , brady street northbound, of us 61 business, prior 2010 us 61. us 6 briefly dips southeast , straightens out again towards i-74. highway joins i-74 , heads south towards moline, illinois. 1 mile (1.6 km), i-74 / us 6 forms boundary of davenport , bettendorf. 2 routes enter bettendorf , descend mississippi river valley, meet us 67 @ complex series of exit , entrance ramps. ascend iowa-illinois memorial bridge, known locally i-74 bridge, , cross mississippi river illinois.
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