California Institute of Integral Studies to California Polytechnic State University-San Luis Obispo buses and trains from $39

Here are some trips other travelers have found on Routefriend.
$39
4h 45m
0 stops
Amtrak
$48
5h 28m
2 stops
BART Amtrak
$48
5h 43m
2 stops
BART Amtrak
$48
5h 49m
1 stop
BART Amtrak
$49
7h 19m
2 stops
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$49
5h 33m
2 stops
BART Amtrak
$49
5h 48m
2 stops
BART Amtrak
$49
4h 45m
0 stops
Amtrak
$50
9h 31m
3 stops
BART Amtrak