u/Routine-Theme5845

This is probably a dumb question. I’m looking at a suburban bus route schedule.
It only has about 6 stops showing, but, on that road, I see more Septa signs with that route number.
If someone stands at one of those signs, will the bus driver pick up (or drop off), even if it’s that particular stop isn’t on the printed schedule? In other words, is the schedule just showing the busy stops, or the only stops?