i hope we've learned some lessons through the vanness b.r.t. construction and hope that we can mitigation some of those issues. >> chair peskin: miss chang, you want to respond? >> we're certainly listening, and before we get to the geary, i think we -- i'm sure geary, lombard, and 19 avenue will experience some impacts. geary, the more intense impact would be on the west side, but we have a few years to get ready for that. that's something that public works is aware of, and as we're heading into that environmental approval period, are trying to make sure that we're being thoughtful and using lessons learned and trying to get ready for that fifth through seventh segment of better market street. >> chair peskin: and colleagues, just so you know, i had this conversation with ed reiskin last week. it's just going to be very hard for us, as appropriators whether we're at the board of supervisors or the t.a. to appropriate money for these kinds of projects when there isn't sufficient real mitigations. i've lived through it on the central subway, and