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Interstate 280 (Illinois-Iowa)

Interstate 280 marker

Interstate 280
Map of Interstate 280
Map of Quad Cities with I-280 highlighted in red.
Route information
Auxiliary route of I‑80
Maintained by Iowa DOT and IDOT
Length: 26.98 mi (43.42 km)
Major junctions
West end: I-80 / US 6 in Davenport, Iowa
 
East end: I-74 / I-80 near Colona, Ill.
Location
States:
Counties:
Highway system
← US 275 IA Iowa 281 →
← I-270 IL I-290 →

Interstate 280 marker

Interstate 280 (abbreviated I-280) is an auxiliary highway that makes up the western and southern portions of the beltway around the Quad Cities of Illinois and Iowa. The freeway starts at I-80 near Davenport, Iowa and ends at I-80 near Colona, Illinois; its eastern part runs concurrent with I-74 to return to I-80. I-280 forms the southern part of a circle around the Quad Cities as well as forming part of a bypass (along with I-80) for U.S. Highway 61 around Davenport. This road is 26.98 miles (43.42 km) long.

I-280 begins at a directional T interchange with Interstate 80 on the northwestern outskirts of Davenport. U.S. Route 6 (US 6) and US 61 join I-280 from opposite directions of I-80 at the interchange. It heads south along the western edge of Davenport. At the Kimberly Road exit, US 6 splits off to the east. It continues south for 4 miles (6.4 km), crossing Duck Creek, towards a diamond interchange with Scott County Road F65 (CR F65), which becomes Locust Street in Davenport.

Further south, I-280 passes the 620-acre (250 ha) West Lake Park. South of West Lake Park, US 61 splits away from the interstate on its way towards Muscatine. In the other direction, U.S. Route 61 Business heads towards the Davenport riverfront. South of US 61, I-280 curves to the southeast towards the Mississippi River. It drops into the river valley and meets Iowa Highway 22 (Iowa 22). It continues southeast and crosses the river via the Sergeant John F. Baker, Jr. Bridge.


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