Complex sentence: The Canada Line is operationally independent from British Columbia Rapid Transit Company, which operates SkyTrain's Expo and Millennium lines, but is considered part of the SkyTrain network as it is also light metro rapid transit, using fully automated trains on grade-separated guideways.
Split into simpler sentences: The Canada Line is operationally independent from British Columbia Rapid Transit Company, which operates SkyTrain's Expo and Millennium lines, but is considered a part of the SkyTrain network. Like other two skytrain lines in Vancouver, it is also light metro rapid transit, using fully automated trains on grade-separated guideways.