Page "U.S. Route 24" Paragraph 23

In Missouri, with the passage of Proposition 36B, the portion of US 24 that overlaps US 36, from the Rocket Junction west of Hannibal, Missouri to Monroe City, Missouri, will be upgraded to a 4-lane expressway highway by December 31, 2010.

This section of the way is now 4 lane and as been for better part of 2010.