A California-based developer seeking to overhaul one of the region’s largest malls has added new homes and agreed to delay roughly one-third of the project, all in the hopes of seeing approval for the gargantuan plan.

The Macerich Company resubmitted plans last week for the new Tysons Corner Center, which many in the area hope will turn what is now a major shopping center into an urbanized community a stone’s throw from a new Metrorail track.