here's a yahoo map:
maps.yahoo.com/maps_result

from sf:
take the bay bridge
get on 880s and take the 1st exit, "W. Grand ave./7th st.".
Go straight through 3 sets of lights
turn Left at the 4th set of lights and park.

from 880n:
take the last exit before the bay bridge/80 split: "W. Grand ave/ 7th st"
straight through the 1st set of lights
right at the 2nd set of lights
straight through the 3d set of lights
left at the 4th set of lights and park.

from 80w/ 580e:
get on 880s just before the bridge
take your 1st exit, "W. Grand ave."
turn left at the 1st light
go straight through the 2nd set of lights
turn left at the 3d set of lights and park.

from 580w/ 24w:
as you approach the toll plaza stay on the right. there is an exit for "W. Grand ave." just after a "buses only" exit and just before the tolls.
left at the 1st light
straight through the 2nd light
left at the 3d light and park

Oh, duh.

Nevermind.

- Mary