Anne Arundel County                          2421

(97)    Structure—Any construction, the use of which requires
permanent location on the ground or attachment to something having
permanent location on the ground (excluding walks, driveways, and
fences; but including mobile homes, parking lots, and swimming
pools).

(98)    Structure, Accessory—A structure customarily inciden-
tal and subordinate to the principal use or structure located on the
same lot therewith. In no case shall such an accessory structure
dominate in area, extent, or purpose the principal use or structure.
An accessory structure shall not be built without a principal
structure.

(99)     Structure, Principal—Any structure, the intent of which
is to provide for the main function of the property. Accessory
structures attached to the principal structure, either directly or by a
breezeway, shall be considered part of the principal structure.

(100)    Sub-station, Electric—See "Public Utility".

(101)    Street or Road—Either term applies to less important
trafficways, usually under the jurisdiction of the County Department
of Public Works.

(102)     Street, Alley—A traffic way which provides secondary
service access for vehicles and pedestrians to the side or rear of
abutting properties.

(103)    Street, Arterial—This serves both functions of access
and mobility with the emphasis on the movement of through traffic.
It is a minor artery in the County's circulation network, inter-
connecting with major highways and collector roads to move traffic
between local and regional generators (such as schools, shopping
centers, recreation areas, employment centers and large residential
developments).

(104)     Streets, Collector—This serves both functions of access
and mobility equally for short length neighborhood trips by providing
direct access to all adjacent properties. It collects the residential
traffic of INTERSECTING LOCAL STREETS and allows easy mo-
bility to the arterial and major road networks as well as to local
centers of activity.

(105)    Street, Local—This serves primarily as access roads
to adjacent property and residences. The only traffic mobility is that
which must be provided for residential traffic access to the collector
and arterial road system.

(106)    Street, Cul-de-Sac—A local street with one outlet, having
a paved, circular turn-around area at the closed end.

(107)    Transit Station—A structure designed for the purpose
of loading and unloading passengers into and out of mass transit
vehicles.

(108)    Tributary Area—The area above the first five hundred
foot (500') restriction of surface distance at mean high water