More apartments on the way on East Dallas’ Ross Avenue Trammell Crow Residential has already built three projects in the area east of downtown Dallas. Trammell Crow Residential has built several projects along Ross Avenue.(JHP Architecture ) 2:10 PM on May 17, 2021 CDT Dallas-based apartment builder Trammell Crow Residential has beaten a path east down Ross Avenue. It has already built three rental communities in the Ross Avenue corridor east of downtown. Now the developer is eyeing another apartment project in the 5100 block of Ross Avenue. The 384-unit Alexan Cathedral Arts will include two buildings, according to planning documents filed with the state.