1967 : I-94 Completed

When:
February 1, 2021 all-day
2021-02-01T00:00:00-05:00
2021-02-02T00:00:00-05:00

The last link of I-94 was completed, making Michigan the first state to have a border-to-border interstate highway.

The seven-mile section of I-94 that opened through St. Clair Shores and Roseville completed the 275-mile highway that runs from New Buffalo on the west to Port Huron on the east.

Source : Historical Society of Michigan, Michigan History Calendar