Travelodge-Diamond Inn Address: 2875 Hwy 100, Gray Summit, MO 63039 Phone: (800) 782-8487 Hotels & Motels, Travelodge Other Businesses: Travelodge at 2875 Highway 100, Gray Summit, MO 63089 Roadhouse 100 at 2763 Highway 100, Gray Summit, MO 63039 Travelodge Six Flags Gray Summit at 2875 Highway 100, Gray Summit, MO 63089