After more than a year of trying to address problems at crossing gates along RTD's A, B, and G commuter-rail lines, the systems that control the timing of the gates are the best they can be, even though that may not satisfy federal and state regulators, the contractor operating the trains has told the transit agency.

And with Denver Transit Partners (DTP) saying there is no improvement in sight, or even possible "with available technology," the contractor told the Regional Transportation District in a May 26 letter to quit levying fines against it for problems beyond the contractor’s control.

The Denver Business Journal obtained the notice via a request under the Colorado Open Records Act.

DTP is a consortium of companies that helped finance the commuter-rail lines — the A Line to the airport, the B Line to Westminster, and the yet-to-open G Line to Arvada and Wheat Ridge — and now operates them in a public-private partnership with RTD.

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