Missouri State Highway System
 | This article includes a improve this article by introducing more precise citations. (October 2018) ) |
| Missouri State Highway System | |
|---|---|
Highway markers for Interstate 44, U.S. Route 61, Missouri Route 5 and Supplement Route A | |
| System information | |
| Maintained by MoDOT | |
| Highway names | |
| Interstates | Interstate nn (I‑nn) |
| US Highways | U.S. Route nn (US nn) |
| State | Route nn |
| Supplemental Route: | Supp-xx, SSR-xx |
| System links | |
In
supplemental routes
, which are lettered rather than numbered.
Missouri has also changed highway designations with a US route or an
I-72
), but any such pairs of highways are nowhere near each other to avoid confusion.
In some states (such as Arkansas and New Mexico), highways are allowed to be discontinuous. Missouri overlaps highways in order to maintain continuity.
The Missouri Department of Transportation routinely uses the term "Route" in reference to the names of the roads. However, Missouri statutes define them as "State Highways". Missourians may use the terms "Route" and "Highway" interchangeably when referring to a state road.
See also
U.S. Roads portal
