Identifying a Muni Stop ID
Each Muni stop has a five digit* stop ID beginning with a one. Each stop has it's own webpage which can be reached at SFMTA.com/<stop ID>, for example: https://www.sfmta.com/16332.
Keep in mind that the displayed stop IDs are often missing or even incorrect, so always double-check the website. Also stops at an intersection will all have the same name on the website, so make sure the stop is going in the right direction! If the stop ID is missing, consider writing it on the yellow band or shelter to help people out!
(*SFMTA.com uses six digit stop IDs for the last stop on a route. Replace the first two digits "1x" with "1" to get the stop's regular five digit stop ID)
Yellow Paint
Most Muni stops are identified by nothing more than a band of yellow on a pole and a yellow stop bar painted onto the street. On the pole there are usually one or two red stickers displaying the stop ID. The yellow stop bar on the street also has the stop ID, though it is often worn away.
Shelters
Muni bus shelters will usually have the stop ID displayed on the outside wall and next to the realtime departures button (or remants thereof).
Temporary Signage
Some stops have temporary nextbus signage displaying the stop ID.