Unabbreviate "Hwy".

Don't abbreviate road names.

Unabbreviate Missouri Route UU's name, and downgrade it from secondary to tertiary since it only leads to a state park.

Clean up redundant TIGER tags on segments of Missouri Route Z, and replace its abbreviated name.

Clean up redundant TIGER tags on segments of Missouri Route D, and replace its abbreviated name.

Clean up redundant TIGER tags on segments of Missouri Route F, and replace its abbreviated name.

Change name from "Old MO N" to "Old State Highway N" to avoid abbreviation. Feel free to use any other unabbreviated hwy descriptor; I chose "State Highway" out of personal familiarity.

Change name from "MO J" to "State Highway J".

Fix up Missouri Route JJ in Huntsville, Missouri. Its western terminus is not U.S. 24.

Add missing concurrency between Missouri Route D and Missouri Route P.

Clean up redundant TIGER tags on segments of Missouri Route D. Some incorrectly refer to the segments as county roads.

Clean up redundant TIGER tags on segments of Missouri Route P. Some incorrectly refer to the segments as county roads.

Clean up redundant TIGER tags on segments of Missouri Route O. Some incorrectly refer to the segments as county roads.

Clean up redundant TIGER tags on segments of Missouri Route C. Some incorrectly refer to the segments as county roads.

Clean up redundant TIGER tags on segments of Missouri Route WW. Some incorrectly refer to the segments as county roads.

Clean up redundant TIGER tags on segments of Missouri Route BB. Some incorrectly refer to the segments as county roads.

Clean up redundant TIGER tags on segments of Missouri Route T. Some incorrectly refer to the segments as county roads.

Use a space in maxspeed before units.

This concerns Missouri Route T. First, access=public is not necessary on state highways. Second, the classification is not consistent along the highway.

Clean up redundant TIGER tags on segments of Missouri Route HH. Some incorrectly refer to the segments as county roads.