MARTA awards contract to Kimley-Horn to design BRT line in Atlanta, US February 17, 2021 | North America News The Metropolitan Atlanta Rapid Transit Authority (MARTA) has awarded an USD11.3 million contract to Kimley-Horn to design the Capitol Avenue/Summerhill bus rapid transit (BRT) line in Atlanta. ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password