County Road 99 extends north from Lake Boulevard through the outskirts of Davis and becomes West Street in Woodland. On its way to Woodland, it crosses (sequentially northward) County Road 29, Bullard Lane, County Road 27, Moeller Lane, Goodner Lane, and County Road 25a. County Road 99 may serve as an alternate to 113 for driving to Woodland—a scenic route. County Road 99 is part of Yolo County's County Road System.

During the summer, and at other various times, farm stands are set up on County Road 99 near County Road 25A. These stands feature locally grown produce, including melons.