The FRA is requiring frequent progress reports, but allowed RTD to open its B Line as originally scheduled on July 25, 2016, because the B Line only has one at-grade crossing along its current route that is not designated to be a quiet zone.
The FRA's need for frequent updates was waived for RTD to launch its B Line as planned on July 25, 2016, because the B Line had only one non-quiet zone crossing along its current path.