Asiaa tarkemmin tutkittuna Huoltotie kuvastaa eniten näitä suoraan talon pihaan johtavia väyliä. OSM Wiki: service tag denotes ways used for vehicle access to a building, service station, industrial estate, business park, beach, campsite, etc. It is also used for access to parking, driveways, and alleys. Service ways are usually not part of the public street network and may sometimes be inaccessible to the general public