Wisconsin State Route 40 runs north-south-east-west in East-Central Dunn County. It runs from U.S. Rt. 12/Wisconsin State Route 29, near Elk Mound, to the Dunn/Eau Claire County Line, near Colfax. WI St Rt 40 passes through the following town in Dunn County. Colfax WI St Rt 40 is not multi-plexed in Dunn County. WI St Rt 40 intersects the following highways in Dunn County. U.S. Rt. 12, near Elk Mound. Wisconsin State Route 29, near Elk Mound. Wisconsin State Route 170, at Colfax.
