They're becoming more common. The entire University of California system already has a similar policy, of institutional open-access archival by default, but wit

They're becoming more common. The entire University of California system already has a similar policy, of institutional open-access archival by default, but with a waiver process for a handful of cases where the author thinks it's needed: http://osc.universityofcalifornia.edu/open-access-policy/ http://osc.universityofcalifornia.edu/open-access-policy/