Route CSM

Effective January 11, 2026
Route CSM Map 08-03-2025


Route CSM is a new route offering weekday and weekend service for a standard fare of $2.25 ($2.05 with Clipper) between San Mateo Caltrain and College of San Mateo.

Public Timetable Notes: AM - light type. PM - bold type

College of
San Mateo

Alameda/
Barneson

San Mateo
Caltrain

A

B

D

6:13

6:20

6:37

6:43

6:50

7:07

7:13

7:22

7:41

7:43

7:52

8:11

8:13

8:22

8:41

8:43

8:52

9:11

9:13

9:20

9:37

9:43

9:50

10:07

10:13

10:20

10:37

10:43

10:50

11:07

11:13

11:20

11:37

11:43

11:50

12:07

12:13

12:20

12:37

12:43

12:50

1:07

1:13

1:20

1:37

1:43

1:50

2:07

2:13

2:24

2:41

2:43

2:54

3:11

3:13

3:24

3:41

3:43

3:54

4:11

4:13

4:24

4:41

4:43

4:54

5:11

5:13

5:24

5:41

5:43

5:54

6:11

6:13

6:20

6:35

6:43

6:50

7:05

Bus is not considered late until 5 minutes past the scheduled time. Not all stops are shown.
Please call 1-800-660-4287 for other bus stops.

San Mateo
Caltrain

Alameda/
MacArthur

College of
San Mateo

D

C

A

5:56

6:03

6:20

6:26

6:33

6:50

6:56

7:03

7:20

7:26

7:35

7:54

7:56

8:05

8:24

8:26

8:35

8:54

8:56

9:05

9:24

9:26

9:35

9:54

9:56

10:05

10:24

10:26

10:33

10:50

10:56

11:03

11:20

11:26

11:33

11:50

11:56

12:03

12:20

12:26

12:33

12:50

12:56

1:03

1:20

1:26

1:33

1:50

1:56

2:03

2:20

2:26

2:35

2:54

2:56

3:05

3:24

3:26

3:35

3:54

3:56

4:05

4:24

4:26

4:35

4:54

4:56

5:05

5:24

5:26

5:35

5:54

5:56

6:05

6:24

6:26

6:33

6:50

Bus is not considered late until 5 minutes past the scheduled time. Not all stops are shown.
Please call 1-800-660-4287 for other bus stops.

           

College of
San Mateo

Alameda/
Barneson

San Mateo
Caltrain

A

B

D

7:55

8:00

8:14

8:55

9:00

9:14

9:55

10:00

10:14

10:55

11:01

11:17

11:55

12:01

12:17

12:55

1:01

1:17

1:55

2:01

2:17

2:55

3:01

3:17

3:55

4:01

4:17

4:55

5:01

5:17

5:55

6:01

6:17

6:55

7:00

7:14

Bus is not considered late until 5 minutes past the scheduled time.
Not all stops are shown.
Please call 1-800-660-4287 for other bus stops.

          

San Mateo
Caltrain

Alameda/
MacArthur

College of
San Mateo

D

C

A

8:30

8:39

8:45

9:30

9:39

9:45

10:30

10:39

10:45

11:30

11:41

11:48

12:30

12:41

12:48

1:30

1:41

1:48

2:30

2:41

2:48

3:30

3:41

3:48

4:30

4:41

4:48

5:30

5:39

5:45

6:30

6:39

6:45

Bus is not considered late until 5 minutes past the scheduled time.
Not all stops are shown.
Please call 1-800-660-4287 for other bus stops.

Download Route CSM PDF

To request a printed timetable, please call Customer Service at 1-800-660-4287.