South Natomas Transportation Management Association Share: Transportation Management & Consulting Svcs South Natomas Transportation Management Association Visit Website 2030 West El Camino Ave STE 275 Sacramento, CA 95833 (916) 646-0928 (916) 646-0463 (fax) Facebook About Map About The South Natomas Transportation Management Association is a nonprofit, mutual benefit corporation comprised of employers and developers in South Natomas. The TMA works cooperatively with the greater What's Nearby? Distance: 5 10 15 20 25 50 mi.