> reporter: the narc park service hopes to restore an abandoned train tunnel at the foot of van ness to expand the popular f-line service to the marinahers say other public transit expansion is also possible. >> we're plan for how we improve muni, how we allow teem people bike with ease, to walk with fun, to bring our families here in a way that really envisions a 21st century. >> we never got things instantly like this when i was growing up in the '60s. >> reporter: those all seem like fine ideas to elbridge, because on a sunny day in the bay in sight, there just doesn't seem much room to fuss. joe rosato jr., nbc bay area news. >> exactly the kind of day we had today for the giants. >> it's going to be a wild scene when that america's cup comes here in 2013. let's send it back out to at&t park. it's still seems strange to see this, but the defending world series champions, the giants, are back in action. let's go to jeff ranieri. >> reporter: even though the game isn't happening here at at&t park, they're opening it to the fans. let me get up and do some work here, some legwork. as we pan over, what we're going to find is they are