Description: Portion of the airport transportation network where aircraft park, load, unload, refuel, or are boarded. Digitized the outer edge of the paved area. Did not collect unpaved Apron.
Description: Runway Paved - pavement used for takeoff and landing of airplanes. Digitized the outer edge of the paved area.Runway Unpaved - dirt or gravel area used for takeoff and landing of airplanes. Digitized the outer edge of the perceived area of travel.
Description: Taxiway Paved - a path for aircraft at an airport connecting runways with aprons, hangars, terminals and other facilities. Digitized the outer edge of the paved area and snap cleanly to Apron and Runway.Taxiway Unpaved - A dirt, grass, or gravel path for aircraft at an airport connecting runways with aprons, hangars, terminals and other facilities. Digitized the outer edge of the perceived travel area and snap cleanly to Runway.
Description: Alley Paved - a narrow-paved lane, path, or passageway, often reserved for pedestrians, which usually runs between, behind, or within buildings in the older parts of towns and cities.Alley Unpaved - a narrow unpaved lane, path, or passageway, often reserved for pedestrians, which usually runs between, behind, or within buildings in the older parts of towns and cities.
Description: Paved passageway that is permanent in nature and has the same description as a paved road. This type of bike lane is located inside of Edge of Traveled way and quite often is a shared lane for commuter traffic and bike traffic. Digitized the centerline of all features that are visible inside of the EOTW/Right of Way.
Description: Drive Paved - residential drive comprised of paved surface material such as concrete or asphalt. Digitized the outline of the feature at the edge of the paved area.Drive Unpaved - residential drive comprised of unpaved surface material such as gravel or dirt. Digitized the edge of the feature at the tire ruts.
Description: Parking Paved - a paved area outside a building for parking cars or trucks. All entryways leading up to parking was collected as parking lot. Driveways are only associated with residential features. Digitized the boundary of the feature at the edge of paved surface. Did not collect paint stripes or parking bumpers.Parking Unpaved - an unpaved area outside a building for parking cars or trucks. All entryways leading up to parking was collected as parking lot, not drive. Driveway are only associated with residential features. Digitized the perceived boundary of the feature. Digitized feature at the base of the fence, when bounded by a fence.
Description: Trail Pedestrian/Bike Paved - paved passageway less than 6 feet wide that is permanent in nature and it cannot be classified as any other type of road. Used for bikes or pedestrian traffic often found in recreational facilities and around playgrounds.Trail Pedestrian/Bike Unpaved - unpaved passageway less than 6 feet wide that is permanent in nature and it cannot be classified as any other type of road. Used for bikes or pedestrian traffic often found in recreational facilities and around playgrounds. Digitized the centerline of all features that are visible.
Description: Structure erected over obstacle or depression. Bridge in this instance refers only to those that have railroad tracks associated with them. Collected at the outer edge of the structure.
Description: Road Concrete - edge of concrete pavement, excluding paved and unpaved shoulder or gutter when curb is present. Concrete road was identified by the presence of expansion joints between concrete slabs. Digitized feature at the traveled way/fog line or at the gutter line when visible.Road Asphalt - edge of asphalt pavement, excluding paved and unpaved shoulder or gutter when curb is present. Digitized feature at the traveled way/fog line or at the gutter line when visible.Road Chip and Seal - pavement surface treatment that combines one or more layer(s) of asphalt with one or more layer(s) of fine aggregate most often found in rural areas. Digitized feature at the traveled way or fog line.Road Brick Paver - a road surface or pavement constructed from blocks or bricks. Digitized feature at the traveled way/fog line or at the gutter line when visible.Road Cobblestone - a road surface or pavement constructed from cobblestone. Digitized feature at the traveled way/fog line or at the gutter line when visible.
Description: Area of road that is raised to create a separation in lanes or to create island in a parking lot. Collected raised curb as a median if in a parking lot or if associated with a concrete or asphalt road. Did not collect grass non-raised medians with this feature. Digitized at the raised edge of the curb.
Description: Shoulder Paved - pavement between edge of paved roads and edge of total paved surface. Digitized feature coincident with road edge and at the extent of the total paved surface area. Shoulder is a minimum of 4 feet wide.Shoulder Unpaved - pavement between edge of paved roads and edge of total paved surface. Digitized feature coincident with road edge and at the extent of the total paved surface area. Shoulder is a minimum of 4 feet wide.Bridge Road - structure erected over obstacle or depression. Bridge Road is intended for vehicular traffic. Did not continue edge of road or guardrail over the bridge. Collected sidewalk and curb across bridge where present.Tunnel - a passageway through or under something, usually underground. Did not continue edge of road through tunnels. Digitized the feature at the defining boundary as represented by the entrance and exit points.Bridge Pedestrian - structure erected over obstacle or depression. Footbridges are often constructed to allow pedestrians to cross water or railways in areas where there are no nearby roads to necessitate a road bridge. They are also located across roads to let pedestrians cross safely without slowing down the traffic.
Description: Road Gravel - gravel road maintained as a thoroughfare. Unpaved roads are frequently found in rural areas or in suburban areas. Digitized the edge of the feature at the tire ruts.Road Dirt - dirt road maintained as a thoroughfare. Unpaved roads are frequently found in rural areas or in suburban areas. Digitized the edge of the feature at the tire ruts.