 When you take a seat on Metrobus, did you ever think twice about the cloth surface you were sitting on? Turns out, WMATA got the message. WTLP's Kate Ryan. Zoe Arbour can't help it. A transit rider who favors Metrorail, she's always been a little grossed out by the cloth seat on WMATA's Metrobus fleet. It could be because she's a chemist. So I think about bacteria, I think about viruses, I think about bugs. I just feel like they've got to be in there.