CN is beginning service reconfiguring the Collingwood interlocking in Duluth. This is where the ore dock leads attach to the Missabe Junction line at the base of Proctor Hill. They prepare to get rid of the dual track below as well as make a solitary control factor that consists of the button to Missabe Junction and also a solitary button for the west dock lead. This will primarily change 5 buttons with 2 (getting rid of the crossovers within the CTC plant). There will certainly not be a north and also southern Collingwood and also the signals will certainly be removed on the dock by the workplace.