A path is a route for physical travel – see

Trail A trail, also known as a path or track, is an unpaved lane or small road usually passing through a natural area. In the United Kingdom and the Republic of Ireland, a path or footpath is the preferred term for a pedestrian or hiking trail. Th ...

. Path or PATH may also refer to:

Physical paths of different types

Bicycle path Cycling infrastructure is all infrastructure cyclists are allowed to use. Bikeways include bike paths, bike lanes, cycle tracks, rail trails and, where permitted, sidewalks. Roads used by motorists are also cycling infrastructure, except wher ...

Bridle path A bridle path, also bridleway, equestrian trail, horse riding path, ride, bridle road, or horse trail, is a trail or a thoroughfare that is used by people riding on horses. Trails originally created for use by horses often now serve a wider r ...

, used by people on horseback *

Course (navigation) In navigation, the course of a watercraft or aircraft is the cardinal direction in which the craft is to be steered. The course is to be distinguished from the ''heading'', which is the direction where the watercraft's bow or the aircraft's no ...

, the intended path of a vehicle *

Desire path A desire path (often referred to as a desire line in transportation planning), also known as a game trail, social trail, fishermen trail, herd path, cow path, elephant path, goat track, pig trail, use trail and bootleg trail, is an unplanned sma ...

, created by human or animal foot traffic *

Footpath A footpath (also pedestrian way, walking trail, nature trail) is a type of thoroughfare that is intended for use only by pedestrians and not other forms of traffic such as motorized vehicles, bicycles and horses. They can be found in a wide ...

, intended for use only by pedestrians *

Shared-use path A shared-use path, mixed-use path or multi-use pathway is a path which is 'designed to accommodate the movement of pedestrians and cyclists'. Examples of shared-use paths include sidewalks designated as shared-use, bridleways and rail trails. A ...

, intended for multiple modes such as walking, bicycling, in-line skating or others *

Sidewalk A sidewalk (North American English), pavement (British English), footpath in Australia, India, New Zealand and Ireland, or footway, is a path along the side of a street, street, highway, terminals. Usually constructed of concrete, pavers, brick ...

, a paved path along the side of a road *

Hoggin Hoggin is a compactable groundcover that is composed of a mixture of clay, gravel, and sand or granite dust that produces a buff-coloured bound surface. It is more commonly seen in the south of England and at National Trust properties. The material ...

, a buff-coloured gravel & clay pathway often seen in gardens of Stately Homes, Parks etc. *

, an unpaved lane or road

Mathematics, physics, and computing

Path (computing) A path is a string of characters used to uniquely identify a location in a directory structure. It is composed by following the directory tree hierarchy in which components, separated by a delimiting character, represent each directory. The del ...

, in file systems, the human-readable address of a resource **

PATH (variable) PATH is an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs are located. In general, each executing process or user session has its own PATH setting. ...

, in computing, a way to specify a list of directories containing executable programs *

Path (graph theory) In graph theory, a path in a graph is a finite or infinite sequence of edges which joins a sequence of vertices which, by most definitions, are all distinct (and since the vertices are distinct, so are the edges). A directed path (sometimes c ...

, a sequence of edges of a graph that form a trail **

st-connectivity In computer science, st-connectivity or STCON is a decision problem asking, for vertices ''s'' and ''t'' in a directed graph, if ''t'' is reachable from ''s''. Formally, the decision problem is given by :. Complexity On a sequential computer ...

problem, sometimes known as the "path problem" *

Path (topology) In mathematics, a path in a topological space X is a continuous function from the closed unit interval , 1/math> into X. Paths play an important role in the fields of topology and mathematical analysis. For example, a topological space for w ...

, a continuous function *

Path (geometry) In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight. Intuitively, a curve may be thought of as the trace left by a moving point. This is the definition that ...

, a curve * Path, a name for the vectors in

vector graphics Vector graphics is a form of computer graphics in which visual images are created directly from geometric shapes defined on a Cartesian plane, such as points, lines, curves and polygons. The associated mechanisms may include vector display a ...

Clipping path A clipping path (or "deep etch") is a closed vector path, or shape, used to cut out a 2D image in image editing software. Anything inside the path will be included after the clipping path is applied; anything outside the path will be omitted fro ...

, in digital image processing *

Path (physics) A trajectory or flight path is the path that an physical body, object with mass in Motion (physics), motion follows through space as a function of time. In classical mechanics, a trajectory is defined by Hamiltonian mechanics via canonical coo ...

, a trajectory

Organizations

PATH (global health organization) PATH (formerly known as the Program for Appropriate Technology in Health) is an international, nonprofit global health organization based in Seattle, with 1,600 employees in more than 70 countries around the world. Its president and CEO is Nikol ...

, an international nonprofit organization in Seattle * Partners for Advanced Transit and Highways, a research organization operated by the University of California *

PATH Foundation PATH Foundation is a network of off-road trails in and around the metro Atlanta area for walkers, runners, skaters, and cyclists. The foundation was established in 1991. The goal was to develop a network of off-road trails in Atlanta in time for ...

, a trail-building organization in Georgia, USA *

People's Alliance of Tower Hamlets The People's Alliance of Tower Hamlets (PATH) was a minor political party in Tower Hamlets, London, England composed of councillors who had formerly been members of Tower Hamlets First and then the Tower Hamlets Independent Group. The group was f ...

, a minor political party in Tower Hamlets, London *

Positive Alternatives to Homosexuality Positive Alternatives to Homosexuality (PATH) is a coalition of groups that purport to help "people with unwanted same-sex attractions (SSA) realize their personal goals for change—whether by developing their innate heterosexual potential or by e ...

, a coalition of anti-gay organizations *

Professional Association of Therapeutic Horsemanship Professional Association of Therapeutic Horsemanship International (PATH Intl.), formerly the North American Riding for the Handicapped Association (NARHA), is a non-profit organization based in Denver, Colorado, that promotes the benefits of ther ...

, a non-profit organization that promotes the benefits equine-assisted therapies *

Projects for Assistance in Transition from Homelessness Created under the McKinney-Vento Act, The PATH (Projects for Assistance in Transition from Homelessness) Program, is a formula grant program that funds the 50 States, District of Columbia, Puerto Rico, and four U.S. Territories to support service d ...

, American formula grant program

Other uses

Path (social network) Path was a social networking-enabled photo sharing and messaging service for mobile devices that was launched in 14 November 2010. The service allows users to share up to a total of 50 contacts with their close friends and family. Based in San Fr ...

, a photo sharing and messaging service *

PATH (rail system) Port Authority Trans-Hudson (PATH) is a rapid transit system in the northeastern New Jersey cities of Newark, Harrison, Jersey City, and Hoboken, as well as Lower and Midtown Manhattan in New York City. It is operated as a wholly owned subsid ...

, Port Authority Trans-Hudson, serving New York and New Jersey *

Path (Toronto) Path (stylized as PATH) is a network of underground pedestrian tunnels, elevated walkways, and at-grade walkways connecting the office towers of Downtown Toronto, Ontario, Canada. It connects more than 70 buildings via of tunnels, walkways, and ...

, a network of underground pedestrian tunnels in Toronto, Ontario, Canada * Golden Path (''Dune''), a metaphysical theme from Frank Herbert's ''Dune'' novels * " Path Vol. 1 & 2", a 2000 single by Apocalyptica *

Potomac-Appalachian Transmission Highline The Potomac-Appalachian Transmission Highline (PATH) was a proposed 290 mile 765 kilovolt electric power transmission line designed to supply power from the Amos Substation in Putnam County, West Virginia, to a proposed electrical substation to b ...

, a proposed electrical line *

Train path A train path is the infrastructure capacity needed to run a train between two places over a given time-period.Definition froDirective 2001/14/EC Article 2 (l), of the European Parliament and of the Council Within the European Union, a train operato ...

, infrastructure capacity needed to run a train between two places over a given time-period * ''Path'' (album), by American shoegaze musician Kraus

Physical paths of different types

Mathematics, physics, and computing

Organizations

Other uses

See also