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Eastern terminus
editRecently, the eastern terminus of US 12 in Detroit was changed to put it at the intersection of Michigan and Woodward avenues based on Google Maps. That notation on GMaps is in error. I reverted the article earlier today to reflect the correct state of affairs.
To validate the state of affairs, we can look to a few different sources.
- The current MDOT Truck Operators Map does not show US 12 continuing to Woodward on the Detroit inset. The Official 2023 Transportation Map also does not show US 12 continuing to Woodward.
- To be more specific, we can look at MDOT's Next Generation PR Finder. MDOT assigns control sections to all of their highways, and if you select the CS Atlas 2023 layer and zoom into that section of Detroit, Control Section 82062 on US 12 ends at Cass Avenue. (The map additionally shows US 12 ending there as well.) In Michigan, US Highways like US 12 are state trunkline highways, and they would have control sections corresponding to their segments. This is more proof that US 12 doesn't extend to Woodward, even if Michigan Avenue does.
- Lastly, Chris Bessert documents the timeline of changes to US 12 in the state here. Per his site, Michigan Avenue between Woodward Avenue and Griswold Street was transferred from MDOT to the City of Detroit on March 15, 2001. (This was proposed on October 9, 2000 by MDOT.) Additionally, the section from Griswold to Cass was transferred on June 8, 2005. Thus, per his research, Google Maps is 22 years and 17 years out of date. These changes are confirmed through the annual editions of the Official Transportation Map published by MDOT, although not to the precise dates Bessert lists.
In short, US 12 does not extend to Woodward Avenue. The marking as such by Google Maps is in error. I've reported that error to them for correction. Imzadi 1979 → 01:07, 30 June 2023 (UTC)