Start at the Lincoln Children’s Zoo (27th & ‘A’ St). Follow the Rock Island Trail and 14th St south to Saltillo Rd and jog west to Hwy 77. Highway 77 to Sprague Road, then west to Crete (lunch available in Crete). Return via Hwy 33 to Hwy 77 to return back to Children’s Zoo via the Rock Island Trail. Highways 77 and 33 have shoulders, other roads without shoulders have fairly low traffic count.