TriMet installs eco-track vegetation on light rail project
TriMet's eco-track system included drainage mats, irrigation and soil. This timelapse shows the installation of the final layer, mats holding the vegetation being placed between and next to rail on both the northbound and southbound trackways. The video was produced by Aryn Trimble and Rick Merina of Stacy and Witbeck Inc., a prime contractor on the west segment of the Portland-M
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