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  2. Travelling salesman problem - Wikipedia

    en.wikipedia.org/wiki/Travelling_salesman_problem

    In the rectilinear TSP, the distance between two cities is the sum of the absolute values of the differences of their x- and y-coordinates. This metric is often called the Manhattan distance or city-block metric. In the maximum metric, the distance between two points is the maximum of the absolute values of differences of their x- and y ...

  3. List of cities and towns in Ethiopia - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_and_towns...

    Given the suburbs and the metropolitan area, the number of inhabitants might be much larger in several cases. Addis Ababa, for example, might have a total population of 4.5 to 5 million if also taking the metropolitan area into account. Some towns which should be beyond a number of 40,000 inhabitants (like Holeta) are not shown as the last ...

  4. Mileage sign - Wikipedia

    en.wikipedia.org/wiki/Mileage_sign

    Mileage sign. A mileage sign, sometimes also called a route confirmation sign or simply a distance sign in certain contexts, is a type of road sign along highways that displays the distance from the current point on a highway to a certain city, destination, or a junction to another highway. Their purpose is to inform drivers of the distance to ...

  5. List of cities by elevation - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_by_elevation

    List of cities by elevation. The following is a list of the world's major cities (either capitals, more than one million inhabitants or an elevation of over 1,000 m [3,300 ft]) by elevation. In addition, the country, continental region, latitude and longitude are shown for all cities listed.

  6. Metropolitan area - Wikipedia

    en.wikipedia.org/wiki/Metropolitan_area

    A metropolitan areaor metrois a region consisting of a densely populated urban agglomerationand its surrounding territories which are sharing industries, commercial areas, transport network, infrastructuresand housing. [1][2]A metropolitan area usually comprises multiple principal cities, jurisdictionsand municipalities: neighborhoods ...

  7. Commuting - Wikipedia

    en.wikipedia.org/wiki/Commuting

    Commuting. Commuting is periodically recurring travel between a place of residence and place of work or study, where the traveler, referred to as a commuter, leaves the boundary of their home community. [1] By extension, it can sometimes be any regular or often repeated travel between locations, even when not work-related.

  8. Central place theory - Wikipedia

    en.wikipedia.org/wiki/Central_place_theory

    In California and much of the United States, many cities were situated by the railroads at the time the tracks were laid. In California, towns founded by the railroads were 12 miles apart, the amount of track a section crew could maintain in the 1850s; larger towns were 60 miles apart, the distance a steam engine could travel before needing water.

  9. Massachusetts Turnpike - Wikipedia

    en.wikipedia.org/wiki/Massachusetts_Turnpike

    I-90. → I-91. The Massachusetts Turnpike(colloquially the "Mass Pike" or "the Pike")[3]is a controlled-accesstoll highwayin the US state of Massachusettsthat is maintained by the Massachusetts Department of Transportation(MassDOT). It is concurrentwith the entirety of Interstate 90(I-90) within the state, and is the longest Interstate Highway ...