Iowa State Route 150 runs north-south in Central Buchanan County. It runs from the Benton/Buchanan County Line, southeast of Brandon, to the Buchanan/Fayette County Line, south of Oelwein. IA St Rt 150 passes through the following towns in Buchanan County. Independance
Bryantsburg Hazelton IA St Rt 150 is not multi-plexed in Buchanan County. IA St Rt 150 intersects the following highway in Buchanan County. U.S. Rt. 20, at Independance.
A BGS on WB U.S. Rt. 20. A BGS on WB U.S. Rt. 20. SB IA St Rt 150 at U.S. Rt. 20. NB IA St Rt 150 north of U.S. Rt. 20. NB IA St Rt 150 at the Wapsipinicon River. A guide marker on NB IA St Rt 150. SB IA St Rt 150 east of 3rd in Independance.
