Section 10. Definitions

The following words and terms when used in these regulations shall have the following meanings unless the context clearly indicates otherwise:

"Abandonment" in all its forms means the legislative action reserved for and granted to the local governing body to extinguish the public's right to a roadway under the jurisdiction of the Virginia Department of Transportation pursuant to §§ 33.2-909 and 33.2-912 of the Code of Virginia.

"Accessible route" means a public or private continuous unobstructed, stable, firm and slip-resistant path connecting all accessible elements of a facility (which may include parking access aisles, curb ramps, crosswalks at vehicular ways, walks, ramps and lifts) that can be approached, entered and used by persons with disabilities. An accessible route shall, to the maximum extent feasible, coincide with the route for the general public.

"ADT" means average daily traffic count (see "projected traffic").

"Applicable former requirements" means the 2005 Subdivision Street Requirements for developments submitted prior to July 1, 2009, and the 2009 edition of the Secondary Street Acceptance Requirements for developments submitted between July 1, 2009, and January 31, 2012, inclusive.

"Best management practice" or "BMP" means schedules of activities; prohibitions of practices, including both structural and nonstructural practices; maintenance procedures; and other management practices to prevent or reduce the pollution of surface waters and groundwater systems from the impacts of land-disturbing activities.

"Clear zone" means the total border area of a roadway including, if any, parking lanes or planting strips that is sufficiently wide for an errant vehicle to avoid a serious accident. (See the Road Design Manual, 2011 (VDOT) and its Appendix B (1) (the Subdivision Street Design Guide) for details.)

"Commissioner" means the chief executive officer of the Virginia Department of Transportation or his designee.

"Conceptual sketch" means a drawing of the proposed development showing the location of existing and proposed land uses, any existing and proposed transportation facilities, and any additional information required so that the reviewer can determine the appropriate functional classification of the proposed street or streets and verify if the connectivity standards have been met.

"Cul-de-sac" means a street with only one outlet and having an appropriate turnaround for a safe and convenient reverse traffic movement.

"Dam" means an embankment or structure intended or used to impound, retain, or store water, either as a permanent pond or as a temporary storage facility.

"Department" or "VDOT" means the Virginia Department of Transportation.

"Design speed" means a speed selected for purposes of design and correlation of those features of a street such as curvature, super elevation, and sight distance, upon which the safe operation of vehicles is dependent.

"Developer" means an individual, corporation, local government, or registered partnership engaged in the subdivision, improvement, or renovation of land.

"Discontinuance," in all its forms, means the legislative act of the Commonwealth Transportation Board, pursuant to § 33.2-908 of the Code of Virginia, that determines that a road no longer serves public convenience warranting its maintenance with funds at the disposal of the department.

"District administrator" means the department employee assigned the overall supervision of the departmental operations in one of the Commonwealth's construction districts.

"District administrator's designee" means the department employee or employees designated by the district administrator to oversee the implementation of this regulation.

"Drainage Manual" means the department's Drainage Manual, 2002.

"Dwelling unit" means a structure or part of a structure containing sleeping, kitchen, and bathroom facilities that is suitable for occupancy as a home or residence by one or more persons.

"Easement" means a grant of a right to use property of an owner for specific or limited purpose.

"FAR" means floor area ratio, which is the ratio of the total floor area of a building or buildings on a parcel to the land area of the parcel where the building or buildings are located.

"Functional classification" means the assigned classification of a roadway based on the roadway's intended purpose of providing priority to through traffic movement and access to adjoining property as determined by the department, based on the federal system of classifying groups of roadways according to the character of service they are intended to provide.

"Governing body" means the board of supervisors of the county, but may also mean the local governing body of a town or city, if appropriate, in the application of these requirements.

"Level of service" means a qualitative measure describing operational conditions within a vehicular traffic stream, and their perception by motorists and passengers. For the purposes of these requirements, the applicable provisions of the Highway Capacity Manual, 2010 (TRB) shall serve as the basis for determining "levels of service."

"Locally controlled grade separation structure" means a grade separation structure that does not qualify for maintenance by the department but was established within the right-of-way of a street intended for state maintenance.

"Local official" means the representative of the governing body appointed to serve as its agent in matters relating to subdivisions and land development.

"Multiuse trail" means a facility designed and constructed for the purpose of providing bicycle and pedestrian transportation, located within a dedicated public way and is anticipated to be maintained by an entity other than the department.

"Municipal separate storm sewer system" or "MS4" means all separate storm sewers that are designated under 9VAC25-870-380 as municipal separate storm sewer systems.

"Municipal Separate Storm Sewer System Management Program" or "MS4 Program" means a management program covering the duration of a permit for a municipal separate storm sewer system that includes a comprehensive planning process that involves public participation and intergovernmental coordination, to reduce the discharge of pollutants to the maximum extent practicable, to protect water quality, and to satisfy the appropriate water quality requirements of the Clean Water Act and corresponding regulations and the Virginia Stormwater Management Act and attendant regulations, using management practices, control techniques, and system, design and engineering methods, and such other provisions that are appropriate.

"Network addition" means a group of interconnected street segments and intersections shown in a plan of development that are connected to the state highway system.

"Parking bay" means an off-street area for parking two or more vehicles that provides access to a public street.

"Parking lane" means an area, generally seven or eight feet in width, adjacent to and parallel with the travel lane of a roadway that is used for parking vehicles.

"Pavement Design Guide" means the Pavement Design Guide for Subdivision and Secondary Roads in Virginia, 2009 (VDOT).

"Permit Regulations" means the department's Land Use Permit Regulations (24VAC30-151).

"Phased development (streets)" means the method outlined in 24VAC30-92-80 (phased development of streets) whereby the acceptance of certain streets into the secondary system of state highways may be considered before being completely developed in accordance with all applicable requirements (e.g., two lanes of a four-lane facility are considered for acceptance in advance of lanes three and four being finished).

"Plan of development" means any site plat, subdivision plan, preliminary subdivision plat, conceptual subdivision sketch, or other engineered or surveyed drawings depicting proposed development of land and street layout, including plans included with rezoning proposals.

"Plans" means the standard drawings, including profile and roadway typical section, that show the location, character, dimensions, and details for the proposed construction of the street.

"Planting strip" means a section of land between the curb face and the pedestrian accommodation or shared use path.

"Plat" means the schematic representation of the land divided or to be divided.

"Projected traffic" means the number of vehicles, normally expressed in average daily traffic (ADT), forecast to travel over the segment of the street involved.

"Public street" means a street dedicated to public use and available to the public's unrestricted use without regard to the jurisdictional authority responsible for its operation and maintenance.

"Requirements" means the design, construction, public benefit, and related administrative considerations herein prescribed for the acceptance of a street for maintenance by the department as part of the secondary system of state highways.

"Right-of-way" means the land, property, or interest therein, usually in a strip, acquired for or devoted to a public street designated to become part of the secondary system of state highways.

"Roadway" means the portion of the road or street within the limits of construction and all structures, ditches, channels, etc., necessary for the correct drainage thereof.

"Secondary system of state highways" means those public roads, streets, bridges, etc., established by a local governing body pursuant to § 33.2-705 of the Code of Virginia and subsequently accepted by the department for supervision and maintenance under the provisions of Article 3 (§ 33.2-324 et seq.) of Chapter 3 and Article 2 (§ 33.2-908 et seq.) of Chapter 9 of Title 33.2 of the Code of Virginia.

"Shared use path" means a facility that is designed and constructed according to the Road Design Manual, 2011 (VDOT), for the purpose of providing bicycle and pedestrian transportation.

"Specifications" means the department's Road and Bridge Specifications, 2007, revised 2011, including related supplemental specifications and special provisions.

"Standards" means the applicable drawings and related criteria contained in the department's Road and Bridge Standards, 2008, revised 2011.

"Storm sewer system" means a conveyance or system of conveyances and its appurtenances, including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, manmade channels, or storm drains.

"Street" means any roadway that is created as part of a plan of development, other subdivision of land, or is constructed by or at the direction of the local governing body and is a public way for purposes of vehicular traffic, including the entire area within the right-of-way.

"Stub out" means a transportation facility (i) whose right-of-way terminates at a parcel abutting the development, (ii) that consists of a short segment that is intended to serve current and future development by providing continuity and connectivity of the public street network, (iii) that based on the spacing between the stub out and other streets or stub outs, and the current terrain there is a reasonable expectation that connection with a future street is possible, and (iv) that is constructed to the property line.

"Subdivision" means the division of a lot, tract, or parcel into two or more lots, plats, sites, or other divisions of land for the purpose, whether immediate or future, of sale or of building development. Any resubdivision of a previously subdivided tract or parcel of land shall also be interpreted as a "subdivision." The division of a lot or parcel permitted by § 15.2-2244 of the Code of Virginia will not be considered a "subdivision" under this definition, provided no new road or street is thereby established. However, any further division of such parcels shall be considered a "subdivision."

"Subdivision Street Design Guide" means Appendix B (1) of the Road Design Manual, 2011 (VDOT).

"Swale" means a broad depression within which stormwater may drain during inclement weather, but that does not have a defined bed or banks.

"Total maximum daily load" or "TMDL" is a water quality term that means the sum of the individual wasteload allocations for point sources, load allocations (LAs) for nonpoint sources, natural background loading and a margin of safety. TMDLs can be expressed in terms of either mass per time, toxicity, or other appropriate measure. The TMDL process provides for point versus nonpoint source trade-offs.

"Traveled way" means the portion of the secondary street designated for the movement of vehicles, exclusive of shoulders, parking areas, turn lanes, etc.

"Tree well" means an opening on a sidewalk, generally abutting the curb, where a tree may be planted.

"VPD" means vehicles per day.

"VPH" means vehicles per hour.

"Wasteload allocation" or "wasteload" or "WLA" means the portion of a receiving surface water's loading or assimilative capacity allocated to one of its existing or future point sources of pollution. WLAs are a type of water quality-based effluent limitation.

"Watercourse" means a defined channel with bed and banks within which water flows, either continuously or periodically.

Historical Notes

Derived from Volume 25, Issue 15, eff. March 9, 2009; amended, Virginia Register Volume 27, Issue 16, eff. May 11, 2011; Volume 28, Issue 08, eff. December 31, 2011; Errata, 28:10 VA.R. 939 January 16, 2012; amended, Virginia Register Volume 31, Issue 07, eff. December 31, 2014.

Statutory Authority

§§ 33.2-210 and 33.2-334 of the Code of Virginia.