San Diego Bus Route 120: 4th Av & B St to Clairemont Mesa Bl & Complex St
4th Av & B St ↔ Clairemont Mesa Bl & Complex St
📅 Editorial review: October 2026 | ℹ️ Independent planning guide — not affiliated with MTS | 🎯 Route 120 stops, fares & schedule overview
✅ Official MTS service in San Diego: Route 120 connects 4th Av & B St with Clairemont Mesa Bl & Complex St. Buses run from 4:59 AM to 11:03 PM.
📋 Route 120 Essential Information
- Route: 120 — 4th Av & B St ↔ Clairemont Mesa Bl & Complex St
- Operator: MTS (San Diego)
- Stops: 38 towards Clairemont Mesa Bl & Complex St; 32 towards 4th Av & B St
- First departure: 4:59 AM | Last departure: 11:03 PM
- Service: Daily, including weekends
- Fare: Single-ride fare $ 3.00
📖 About Route 120
Route 120 links 4th Av & B St and Clairemont Mesa Bl & Complex St. The stop list below is the complete, current MTS pattern, so you can plan boarding and getting off with confidence.
🚏 Route 120 Complete Stop List
Towards Clairemont Mesa Bl & Complex St (from 4th Av & B St)
- 4th Av & B St
- 5th Av & Broadway
- 5th Av & C St
- 5th Av & Elm St
- 5th Av & Laurel St
- 5th Av & Upas St
- 5th Av & University Av
- University Av & 10th Av
- Fashion Valley Rd & Hotel Circle N
- Fashion Valley Transit Center
- Ulric St & Linbrook Dr
- Ulric St & Fashion Hills Bl
- Ulric St & Tait St
- Comstock St & Ulric St
- Comstock St & Linda Vista Rd
- Linda Vista Rd & Linda Vista Plaza
- Linda Vista Rd & Ulric St
- Linda Vista Rd & Fulton St
- Genesee Av & Linda Vista Rd
- Genesee Av & Richland St
- Genesee Av & Health Center Dr
- Meadowlark Dr & Starling Dr
- Vista Hill Av & Meadowlark Dr
- Vista Hill Av & Health Center Dr
- Health Center Dr & Hope Station
- Health Center Dr & Frost St (Sharp Mem)
- Health Center Dr & Mesa College Dr
- Kearny Villa Rd & I-805
- Kearny Villa Rd & 3665
- Aero Dr & Kearny Villa Rd
- Convoy St & Aero Dr
- Convoy St & Kearny Mesa Rd
- Mercury St & Balboa Av
- Kearny Villa Rd & Balboa Av
- Kearny Villa Rd & Tech Way
- Kearny Villa Rd & Kearny Villa Way
- Complex Dr & Clairemont Mesa Bl
- Clairemont Mesa Bl & Complex St
Towards 4th Av & B St (from Clairemont Mesa Bl & Complex St)
- Clairemont Mesa Bl & Complex St
- Kearny Villa Rd & Tech Way
- Kearny Villa Rd & Century Park Ct
- Mercury St & Balboa Av
- Kearny Mesa Rd & Othello Av
- Convoy St & Ostrow St
- Kearny Villa Rd & Aero Dr
- Kearny Villa Rd & I-805
- Mesa College Dr & Berger Av
- Health Center Dr & Frost St (Sharp Mem)
- Vista Hill Av & Health Center Dr
- Vista Hill Av & Meadowlark Dr
- Meadowlark Dr & Starling Dr
- Starling Dr & Health Center Dr
- Genesee Av & Richland St
- Linda Vista Rd & Genesee Av
- Linda Vista Rd & Fulton St
- Linda Vista Rd & Ulric St
- Linda Vista Rd & Linda Vista Plaza
- Comstock St & Linda Vista Rd
- Ulric St & Tait St
- Ulric St & Fashion Hills Bl
- Ulric St & Linbrook Dr
- Fashion Valley Transit Center
- Fashion Valley Rd & Hotel Circle N
- Hotel Circle South & Bachman Pl
- University Av & 6th Av
- 4th Av & University Av
- 4th Av & Upas St
- 4th Av & Laurel St
- 4th Av & Date St
- 4th Av & B St
⏰ Route 120 Schedule & Service Hours
Scheduled departures from the terminal (MTS timetable via Transit, verified October 2026):
From 4th Av & B St towards Clairemont Mesa Bl & Complex St
| Day | First departure | Last departure | Departures | Average interval |
|---|---|---|---|---|
| Saturday | 5:45 AM | 9:44 PM | 32 | ~30 min |
| Monday | 4:59 AM | 11:03 PM | 37 | ~30 min |
From Clairemont Mesa Bl & Complex St towards 4th Av & B St
| Day | First departure | Last departure | Departures | Average interval |
|---|---|---|---|---|
| Saturday | No scheduled service | |||
| Monday | 5:29 AM | 10:29 PM | 35 | ~30 min |
💵 Fare Information
The single-ride fare on MTS route 120 is $ 3.00 according to the current MTS fare data. Day passes and multi-day passes are usually better value if you ride more than twice — check the agency’s official site or app for the current pass range before you travel.
🗺️ Key Destinations on Route 120
- 5th Av & University Av — university
- University Av & 10th Av — university
- Health Center Dr & Hope Station — transit hub
- Health Center Dr & Mesa College Dr — college
- Kearny Villa Rd & Century Park Ct — park
- Mesa College Dr & Berger Av — college
- University Av & 6th Av — university
- 4th Av & University Av — university
🧭 How to Ride Route 120 — Step by Step
- Check the schedule below for your direction and get to the stop a few minutes early.
- Have your fare ready — pay on board or use the agency’s official app or card where accepted.
- Signal the driver as the bus approaches and board through the front door.
- Pull the stop-request cord or press the button before your stop and exit through the rear doors.
❓ Frequently Asked Questions
What time does the first 120 bus leave?
The first scheduled departures from the terminals are at 4:59 AM from 4th Av & B St and 5:29 AM from Clairemont Mesa Bl & Complex St.
What time is the last 120 bus?
The last scheduled departures are at 11:03 PM from 4th Av & B St and 10:29 PM from Clairemont Mesa Bl & Complex St.
Does Route 120 run on weekends?
Yes — the current schedule shows departures every day, including Saturdays and Sundays.
Route and timetable data: MTS via Transit. Independently compiled by the BusUpdate editorial team; confirm time-sensitive details with MTS before travelling. Schedule verified October 2026.