Just ask anyone who often uses those elevators about the practice of some riders to use them as bathrooms.
"Whoa, it smells like the stench of hell," rider Valerie Mitchell said.
"Pathetic, it makes me nauseated, I mean it's just sickening," said rider Angela Trim.
"Sometimes they smell horrible, they are horrible," added rider Willie Freeman.
But those elevators should be a lot cleaner and more fragrant soon thanks to a new alarm system.
MARTA is the first mass transit system in the country to begin installing a urine detection system.
Activated by moisture and warmth, it sets off an alarm which nearby MARTA police officers can answer in seconds.
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