Maryland Code, Transportation § 8-101

(a) In this title the following words have the meanings indicated.

(b) “Administration” means the State Highway Administration.

(c) “Administrator” means the State Highway Administrator.

(d) “Bicycle and pedestrian priority area” means a geographical area where the enhancement of bicycle or pedestrian traffic is a priority.

(e) “Commission” means the State Roads Commission.

(f) “Controlled access highway” means a major highway with the same characteristics as an expressway, except that the conflict of cross streams of traffic is not eliminated necessarily at each intersection by grade separation structures.

(g) “County road” means any public highway:

(h) “Expressway” means a major highway of two or more traffic lanes in each direction that is designed to eliminate principal traffic hazards and has the following characteristics:

(i) “Highway” includes:

(j) “Interstate highway” means a State highway that is part of the national interstate system in this State, as designated by the Administration and approved by the United States Secretary of Transportation under Title 23 of the United States Code.

(l) “Primary highway” means a State highway that has been designated a primary highway by the Administration with the approval of the Secretary.

(m) “Project” means the construction, reconstruction, or relocation of one or more sections or parts of the State highway system.

(o) “Road” means a highway.

(p) “Secondary highway” means a State highway that is neither a primary highway nor interstate highway.

(q) “State highway” means any public highway owned by this State.

(r) “State highway system” means the system of State-owned primary and secondary highways throughout this State.

(s) “Street” means a highway.