Iowa Highway 187

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Iowa Highway 187 marker

Iowa Highway 187
Route information
Maintained by Iowa DOT
Length: 28.385 mi[1] (45.681 km)
Major junctions
South end: US 20 southwest of Masonville
  Iowa 3 southeast of Arlington
North end: Iowa 150 south of Fayette
Counties: Buchanan, Fayette
Highway system
Iowa 182 Iowa 188

Iowa Highway 187 is a highway in eastern Iowa. Its southern terminus is at U.S. Route 20 southwest of Masonville. Its northern terminus is at Iowa Highway 150 south of Fayette.

Route description[edit]

Iowa Highway 187 begins at an intersection with US 20 southwest of Masonville. It heads in a northward alignment from this point, passing through Lamont. North of Lamont, it intersects with IA 3 before turning to the northwest. The highway passes through Arlington before turning directly to the west. Further west, it will turn to the north where it will terminate at an intersection with IA 150 south of Fayette.


At the time of designation, the highway was originally aligned from US 20 heading northward to the western gate of the Backbone State Park, replacing the old IA 208. In 1980, the alignment had a major overhaul, being realigned northward through Lamont and ending at IA 3. Then in 1981, it was extended again to IA 150 south of Fayette, which is its present day designation.

Major intersections[edit]

County Location Mile[1] km Destinations Notes
Buchanan Fremont Township 0.000 0.000 US 20 Southern terminus, southwest of Masonville
Fayette Putnam Township 15.570 25.057 Iowa 3 Southeast of Arlington
Smith Township 28.385 45.681 Iowa 150 Northern terminus, south of Fayette
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b 2013 Volume of Traffic on the Primary Road System of Iowa (PDF). Iowa Department of Transportation. January 1, 2013. Retrieved January 15, 2011. 

External links[edit]

Route map: Google / Bing