   Standard route signs in Maryland | |
| Highway names | |
|---|---|
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Route X (US X) |
| State | Maryland Route X (MD X) |
| System links | |
The Maryland highway system is a network of highways owned and maintained by the U.S. state of Maryland. In addition to the nationally numbered Interstate Highways and U.S. Highways, the highway system consists of a network of Maryland state-numbered highways. All three types of highways together provide access to all incorporated and unincorporated areas in all 23 counties of Maryland as well as the independent city of Baltimore.