Get On Ga-400 S/Us-19 S From Marconi Dr And Windward Pkwy Follow Us-19 S And I-285 W To Ga-154 W/Ga-166 W/Arthur B. Langford Jr. Pkwy/Campbellton Rd Sw In Atlanta. Take Exit 5B From I-285 S Continue On Ga-154 W/Ga-166 W/Campbellton Rd Sw. Drive To Colorado Trail Sw