SH-27 begins in the town of Oakley and leaves the center of town on Center Street, heading due north.

The highway makes a slight bend to the northeast before continuing north and entering the town of Burley as Overland Avenue.

SH-27 intersects U.S. Route 30 (US 30) and runs concurrently with Interstate 84 Business (I-84 Bus.)

as it leaves the town, heading north before turning northeast and intersecting I-84, where I-84 Business ends.

[2][1] Media related to Idaho State Highway 27 at Wikimedia Commons