carly payne. pardon me. there are -- i'm going to give you two parts of an answer to your question. one is about mitigating impacts of congestion and from that i'm going to address the particular environmental mitigations that were identified in the environmental analysis. in the environmental review documentation, there were some impacts identified, and in particular, there were impacts identified of potential transit delays on the third line, which were identified to be mitigated through prevention for access to the garage, designing the garage access with right in, right out so there's minimizing crossing the t third line. we really do not want to see all of the investments that we are putting into the it third line in the central subway and increased frequency, be undermined by cars stopped in the middle of the intersection. this was something we were very focused on. so there are a series of mitigations that get at making sure that that doesn't happen. so there's a whole series of prevention items there. there are pedestrian safety issues related to additional volumes on 4th st