Here is some new news with the CTA Chicago, starting in the next couple of months the CTA will be putting mask dispensers at the front of the bus on CTA lines.
Some of the bus lines include the Milwaukee, Austen, and Belmont avenue lines. In total there will be 200 busses with the dispensers, the masks will also be free and reusable. So, if you need to take a bus across town and happen to forget your mask, then you are in luck.
If you want to know more about which busses and which lines have the free dispensers, you can head over to the main article here. Stay safe out there Chicago and be sure to social distance from each other.