Business Loop I-5 - Willows and Orland

Stretching 20.7 miles, Business Loop I-5 through northern Glenn County follows old U.S. 99W from Exit 601 at the city of Willow to County Route 7 at Exit 621. The route traverses agricultural areas north from Willows to the communities of Bluegum and Artois before reaching Downtown Orland.

The route appeared on the August 1998 California State Automobile Association Northern California Section map and is listed in the California State Highway System Signing Log (October, 1991) as from

Interstate 5 and County Road 57 over crossing via old U.S. 99W and County Road 7 to Interstate 5 and County Road 7 over crossing