Abstract: The subject innovation relates to a system for optimizing collection trips and/or delivery trips of a courier service, comprising a computer system with a database for storing address data records and for providing the address data records for a navigation system which can at least be read in at least one of the courier vehicles belonging to the courier service, has a display screen for navigation information and comprises an input system in the courier vehicle, which input system is connected to the computer system and is intended for the input of at least one item of additional information relating to at least one address data record, wherein the computer system is suitable for inserting the additional information into the stored address data records. The subject innovation also relates to a method for using this system.

Abstract: The subject innovation relates to a method for planning routes which each run along a plurality of locations and for each of which a sequence of locations is determined according to distances between the locations. The distances between first locations on a first route are stored in a memory in conjunction with the determination of the first route, and a subsequent, second tour is determined according to distances between locations on the second route which are stored in the memory and according to further distances between locations on the second route, wherein the further distances are supplemented in the memory. The subject innovation also relates to an apparatus which is suitable for carrying out the method. The subject innovation can be used, in particular, to plan routes for delivering and/or collecting items of mail.

Abstract: The subject innovation relates to a system for optimizing collection trips and/or delivery trips of a courier service, comprising a computer system with a database for storing address data records and for providing the address data records for a navigation system which can at least be read in at least one of the courier vehicles belonging to the courier service, has a display screen for navigation information and comprises an input system in the courier vehicle, which input system is connected to the computer system and is intended for the input of at least one item of additional information relating to at least one address data record, wherein the computer system is suitable for inserting the additional information into the stored address data records. The subject innovation also relates to a method for using this system.