Morrisville Unified Development Ordinance - February 2021.2

Article 11: Interpretation and Definitions Section 11.5. Terms and Uses Defined 11.4.3. Illuminated Signs

T REE S URVEY A survey performed by an ISA-certified arborist, registered Landscape Architect, or a Registered Forester—including, but not limited to, species, location, general health, and DBH of all individual trees or stands of trees selected to be applied towards the minimum existing tree canopy coverage on site.

T REE , I NDIVIDUAL A tree that is not located within a stand of trees.

T REE , M ATURE Trees that have reached at least 75 percent of their final height and spread as listed in the Administrative Manual. T REE , S HADE A self-supporting woody perennial plant, usually with one vertical stem or main trunk, that naturally develops a more or less distinct and elevated crown and that, at maturity, provides shade to an area at least 35 feet in diameter. A shade tree may have two or more trunks, which is a natural characteristic of some species. T REE , S PECIMEN Any deciduous tree that has a DBH of 24 inches or greater, except any tree listed as a non-native invasive plant by the US Forest Service or the NC Forest Service.

T REES , S TAND OF Three or more uniform, mature trees that form a continuous canopy.

T REE , S TREET Any shade tree placed in a street right-of-way.

T REE , U NDERSTORY An evergreen or deciduous tree whose mature height for its species can be expected to not exceed 25 feet. These are ideal for planting in streetscapes where overhead power lines would necessitate unsightly pruning. T RIP A single travel movement with either the origin or destination of the trip inside the study area of the Transportation Impact Analysis.

T RIP G ENERATION The total number of trip ends produced by a specific land use or activity. T RIP G ENERATION S TUDY A study designed to measure the purpose and movement of vehicular traffic.

T RIPS , I NTERNAL Trips that are made within a multi-use or mixed-use development, by vehicle or by an alternate mode such as walking or bicycling. T RIPS , N EW Trips, minus pass-by trips, minus internal trips if applicable; generated from the proposed development.

Morrisville, NC

February 1, 2021

Unified Development Ordinance

Page 11-86