Unit 123 is located along the I-80 corridor between San Francisco and Sacramento/Lake Tahoe. It reads to traffic traveling East toward I-505, U. C. @ Davis, Sacramento, Lake Tahoe, Reno, NV and other Sierra Mountain Resorts. Points of interest in the area include the Nut Tree Plaza Shopping Center, Vacaville Premium Outlets, Cache Creek Casino, Travis Air Force Base, Mondavi Center for the Arts, U. C. Davis Medical Center, CA Government center in Sacramento and the Sacramento Delta recreational area.