Live Flooding and weather updates Line 3 timeline: From construction to present day battles Business Cody Nelson · Apr 23, 2018 Enbridge Energy wants to replace its aging Line 3 oil pipeline. The nearly 50-year-old pipeline has transported enormous amounts of crude from Canada, and been subject to multiple disasters. Here is its history from 1962 through present day: • Full coverage: Line 3 plan tests Minnesota's environmental-business balance Stay Informed The news on your schedule from MPR News Update Email Address* Zip Code MPR News Update AM MPR News Update PM See our Privacy Policy. Must be age 13.