Always ask for a transfer/fare receipt, even if you are not going to transfer. Transfer/fare receipts are valid for 90 minutes.
sfmuni.com has a text description of the 48-line
48: Trips to/from 25th/Hoffman or Fountain/24th
Fountain Street service is dropoff-only on request to operator, and only on Westbound trips. Riders starting a trip from the following stops are advised to walk to 24th and Hoffman.
- 25th & Hoffman
- Fountain & 24th
Buses and F-line: Always ask for a transfer, even if you are not going to transfer to another line.