MARTA secures TIGER grant for Summerhill BRT; to replace 25 per cent of buses by 2024 March 8, 2018 | North America Finance The Metropolitan Atlanta Rapid Transit Authority (MARTA) has secured USD12.6-million funding from the federal government under the Transportation Investment Generating Economic Recovery (TIGER) grant ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password