List of state highways in Missouri
| State Highways of the Missouri Highway System | |
|---|---|
  
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| System information | |
| Maintained by MDOT | |
| Highway names | |
| State: | Route nn |
| System links | |
The following is a list of state highways in Missouri. State highways in Missouri are the responsibility of the Missouri Department of Transportation.
This is a list of former highways as assigned in 1922. All numbers from Route 1 to Route 72 were issued. From Route 72 to Route 98, only even numbers were issued.
In 1926, the U.S. Highway system was created and many of the highways listed below became part of a new U.S. Highway; in some cases, a highway's number was changed so as not to conflict with a U.S. Highway number (or, later, an Interstate Highway number) which came through Missouri.
The following routes were added after 1922, but no longer exist.
Missouri highways proposed, but for some reason were never built.
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