Good--1600 Market has been empty most of the last several years--it was a failed restaurant, sat empty, then it was a failed furniture store, then sat empty, and at some point I'm pretty sure it was a restaurant yet again which, of course, failed. Tear it down and build it up!
SFMTA traffic count: 8am-9am, inbound Market Street @ Van Ness:
5/14/09: 776 bicycles
5/09/13: 1,067 bicycles