Muni train in San Francisco, United States of America

Muni train in San Francisco, United States of America. The train is red and gray, with large windows. Inside the train, blue seats are visible, as well as yellow grab poles. A digital sign on the side of the train displays the message "NOT IN S". The train is stopped at a station, and the platform is visible in the foreground. The platform is made of concrete and appears to be wet. The background shows buildings, and the sky is overcast. There are no people clearly visible in the image, though reflections in the windows suggest the presence of passengers. The scene is dimly lit, suggesting it is either early morning or late evening.