http://www.sfgate.com/bayarea/matier-ross/article/BART-considers-rebuilding-2-SF-stations-4267383.php#photo-4171127,
http://www.transitunlimited.org/Embarcadero_Station,
http://www.subwaynut.com/bart/embarcadero
The light rail level or MUNI level.
http://www.urbanrail.net/am/snfr/sf-muni-embarcadero.htm,
http://www.subwaynut.com/bart/embarcadero/embarcadero2.jpg
http://www.munidiaries.com/2013/02/11/a-new-look-for-embarcadero-montgomery-bart-stations
http://jfdatalinks.blogspot.ca/2013/09/star-trek-etc.html