 The early buildings in this district such as the Aon Center and One Prudential Plaza used airspace rights in order to build above the railyards.The New Eastside Association of Residents (NEAR) has been the recognized community representative (Illinois non-profit corporation) since 1991 and is a 501(c)(3) IRS tax-exempt organization.The triple-level street system allows for trucks to mainly travel and make deliveries on the lower levels, keeping traffic to a minimum on the upper levels.