Question:  Interstate 69 (I-69) is an Interstate Highway in the United States nicknamed after an agreement signed by Canada, Mexico, and the United States, creating a trilateral trade bloc in what location?
Sentence (from "Business routes of Interstate 69 in Michigan"): The BL I-69 in Coldwater and the one in Charlotte were both parts of US 27 before the freeway bypassed those two cities in 1967 and the early 1970s, respectively.
Relevant evidence: No