 At that time, Port Authority planners were determined to scrap the rail system entirely in favor of busways (now called "BRT" for "Bus Rapid Transit") and an automated guideway transit system developed by Westinghouse Electric called Skybus.Community opposition rallied against the plan and in favor of retaining the electric rail trolley system and upgrading it into modern LRT.In the end, the LRT option was adopted for the South Hills suburbs, along with development of a busway ("BRT") system for the eastern and western suburbs.