Read more about HD-Map (PDF)
With HD-Map you can mark a distance or area on a map (Google Maps). The function can be used for different types of tickets demanding area specification of some sort. Upon registration the customer mark the area which the ticket concerns and the ticket operator can get a quick and good overview of what the ticket is about.
If the ticket operator needs information about other tickets for the same area, it is possible to show all tickets concerning that specific area during that time period.