
If you have cruised through Downtown Atlanta this week, that bright red streak along Mitchell Street was not a prank or a new art installation. It is a bus-only lane being set up for MARTA’s new Rapid A-Line, a five-mile bus rapid transit route whose first phase is slated to start rolling on April 18, 2026.
As reported by 11Alive, the vivid red paint now lines Mitchell Street in the South Downtown loop. Drivers have been snapping photos and asking what it means, and MARTA says the eye-catching color is there to clearly mark a bus-only corridor for the Rapid A-Line.
In an agency release, MARTA called the Rapid A-Line the region’s first bus rapid transit route and said phase one will launch April 18 as part of the NextGen Bus Network. Phase one service is set to run from 5 a.m. to 1 a.m., charge a $2.50 fare with free transfers, and connect Downtown to Capitol Gateway, Summerhill, Peoplestown and the Beltline’s Southside Trail while linking to heavy rail at Five Points, Georgia State and Garnett stations. Where construction is finished, buses will use dedicated lanes with transit signal priority; in active work zones they will rely on temporary stops.
The red lane is the flashiest piece of a project that has hit more than a few surprises. Crews dug into unmarked utilities, uncovered old trolley tracks and even stumbled on an abandoned underground garage, and a battery recall sidelined some vehicles. Those curveballs helped push MARTA toward a phased rollout and raised questions from officials and residents about costs and timing, as highlighted in coverage of the project’s delays and soaring costs. MARTA has told its board that phasing in service will let at least part of the line operate before the FIFA World Cup while construction continues on other segments.
What Drivers Need To Know
MARTA construction alerts point to on-street parking closures along portions of Mitchell Street and MLK Jr. Drive and caution that some parking spaces will be permanently removed as crews widen lanes and build stations. Where signs indicate, the bright red stripe will function as a bus-only lane, and drivers are expected to follow temporary lane markings and posted detours to avoid tickets or towing. Anyone who counts on street parking or regularly loops through South Downtown should plan for lane shifts and carefully follow the new directions on the ground.
When Service Starts And What To Expect
When phase one launches, buses will run in dedicated lanes wherever construction is complete and will use temporary stops where work is still underway. Completed stations are planned to feature level boarding and off-board payment. Transit reporting notes that the Rapid A-Line is expected to include roughly 14 stations, about 85% dedicated lanes and new 60-foot articulated buses, with peak service arriving about every 10 to 12 minutes. MARTA has said it will release detailed station maps and instructions for the new “better Breeze” payment system in advance of the April 18 start date.
For now, that bold red stripe on Mitchell Street is the clearest sign that Atlanta is getting ready for a new way to move people through downtown. Keep an eye on posted signs, MARTA rider alerts and project updates as crews race to wrap up work before service begins on April 18.









