Originally Posted by IceTrojan
I've never taken it myself, and my research has never conclusive answered this question: Can one actually take the Metrolink to Oceanside, then transfer onto the Coaster (paying all fares, of course).
I remember that the last time I check, the times were completely off... but I don't even know if they stop at the same terminus.
(And of course as I'm writing this, the Surfliner just rumbled past

)
Both Metrolink and Coaster stop at the Oceanside Amtrak station.
It is theoretically possible to use both systems in a single trip, but, as you
may have noticed, they do not connect particularly well (expect a long wait
in Oceanside....)
Where are you trying to go from/to? and when?