I have two mirrors. Though I check the mirrors often, it's impossible to look at them all the time, and I was riding to the far right side of the street, all other vehicles passed me in reasonable distance. I didn't expect the appearance of this bus, as it's very fast. Even if I saw it, I had nowhere to go, since to my right were parked cars. Really, if I had leaned just a tiny bit to the left while it's passing, I might not be posting here today. The bus looked like the one in the following picture, but I didn't get any numbers on it: