The Regional Transportation District got the nod from state regulators Wednesday to resume testing systems on the stalled G Line between downtown Denver and the western suburbs of Arvada and Wheat Ridge.

The three members of the Colorado Public Utilities Commission (PUC) gave the verbal go-ahead at their regular weekly meeting. A written order on the decision is expected within the next few weeks.

Testing on the G Line was halted in August 2016 at the order of the Federal Railroad Administration…