2.10 Locations

  1. Identifier

    Each location must have a unique identifier. This identifier acts as a reference to the location when referred to from other data (e.g. orders).

  2. Name

    Each location may have a name associated with it, for example a store or warehouse name.

  3. Address

    Each location may have a street address associated with it.

  4. Coordinates

    Each location must be provided with its geographic coordinates specified as latitude and longitude in decimal degrees.

  5. Site Time

    Site time is the time incurred by the vehicle when it arrives at the location. It is only incurred when the vehicle arrives at a location. Multiple consecutive pickups or deliveries at the same location without any intervening travel do not individually incur site time.

  6. Load Time

    Load time is the time incurred by the vehicle when it visits the location for a pickup or pickups. It is incurred only once per sequence of consecutive pickups at the same location. If the vehicle also has a positive load time, then the vehicle’s load time will override this value.

  7. Unload Time

    Unload time is the time incurred by the vehicle when it visits the location for a delivery or deliveries. It is incurred only once per sequence of consecutive deliveries at the same location. If the vehicle also has a positive unload time, then the vehicle’s unload time will override this value.

  8. Opening Time

    The earliest time a vehicle can pickup or deliver at the location.

  9. Closing Time

    The latest time a vehicle can pickup or deliver at the location.

  10. Time Windows

    Time windows define spans of time when a vehicle can pickup or deliver at the location. Time window may be a single span of time, such as 9:00-17:00 or multiple spans, such as 9:00-12:00 and 14:00-17:00.

  11. Operating Times

    The operating times are times at which a vehicle can pickup or deliver at the location. Operating times are defined by the opening time, closing time and any time windows.

  12. Cost per Visit

    This is a cost that is incurred whenever a vehicle visits the location.

  13. Hidden Cost per Visit

    This is a hidden cost that is incurred whenever a vehicle visits the location. This is used in the computation of a solution, but will not be seen in the final output.